Kara Danvers


 * For the episode, see .

"Hope, help, and compassion for all. That's what I stand for."

- Kara Danvers to Red Daughter

Kara Danvers (born 1966 as Kara Zor-El) is the daughter of the late scientist Zor-El and judicator Alura. Kara was sent to Earth from the dying planet of Krypton to protect her younger cousin Kal-El. However, Kara's pod was knocked off course by Krypton's explosion, sending her ship into the Phantom Zone where she slept for 24 years, while being suspended in time and not aging. Her pod later escaped, and she arrived on Earth, where she was placed with the Danvers family by a now-adult Kal-El, who was known to the humans as "Clark Kent". Kara is the adoptive daughter of Jeremiah and Eliza Danvers, the adoptive sister of Alex Danvers, a good friend of Winn Schott and Samantha Arias, the best friend of Lena Luthor, and the ex-girlfriend of James Olsen and Mon-El. She was the personal assistant of Cat Grant at CatCo Worldwide Media until being promoted to a reporter for CatCo Magazine. Kara is the superheroine known as Supergirl, stylized as the "Girl of Steel", the "Maiden of Might", and the "Last Daughter of Krypton".

After Red Daughter attacked the White House pretending to be Supergirl, Kara was forced to hide in her civilian persona. She was nearly killed by a misled Red Daughter, but she seeps solar radiation from the flora around her, allowing her to heal. She later merged with Red Daughter, gaining new strength that allowed her to subdue Lex Luthor.

Early life
Kara was born in 1966 on the planet Krypton to the prestigious House of El, her parents were scientist Zor-El and judicator (judge) Alura Zor-El, in her house, she had a room that overlooked the city. As a child, Kara often went on vacation with her parents to different planets such as Starhaven and Sedenach. She and her father also once visited the Well of Stars. Kara was close to her aunt Astra, who would teach her the constellations at night.

When Kara was eight years old, she made her father a statue of a winged creature as a present, but was frustrated over not getting the wings correct. Zor-El assured Kara that the statue was perfect and he loved it, as well as her, much to her joy.

One night, Kara stayed up late to see her mother when she got home. Questioning her mother as to why she had come home so late, Kara was told by Alura that a Hellgrammite had been brought before the citadel. When Kara mentioned that she wanted to help people like Alura did one day, her mother assured her she would, as she had the heart of a hero. After Alura left and told her to get some rest, Kara researched Hellgrammites.

Kara was given a spy beacon by Astra, which could be used to call her. When Astra disappeared, Kara messaged her and Astra arrived, warning her that Krypton is dying. Unbeknownst to Kara, it was part of Alura's plan to lure Astra out of hiding and arrest her for her crimes.

Phantom Zone
When Kara was 13 years old, her planet Krypton was on the verge of destruction. The House of El devised a plan to send its youngest members to the planet Earth to save their lives. Kara was charged with raising and protecting her baby cousin, Kal-El. Before she left, Alura Kara that due to Earth's yellow sun, she'd have extraordinary powers and go on to do amazing things. Promising that she wouldn't fail them or Kal-El, Kara tearfully bid her parents goodbye before boarding her pod. However, when Krypton exploded, Kara's pod was knocked off-course by a shockwave and sent into the Phantom Zone, a region where time does not pass. Kara was awake for at least part of this time, as she remembers feeling trapped and alone inside her pod. Kara slept in the Phantom Zone for 24 years until her pod reactivated. Upon awakening, Kara noticed a computer console in her dashboard light up with a logo of three dots in a triangular shape. Her pod then left the Phantom Zone.

Sent to Earth
Kara's pod finally landed on Earth in 2003. Since time doesn't pass in the Phantom Zone, she still appeared to be a 13-year-old girl. She was found by her cousin Kal-El, who had arrived two dozen years prior and grown up to become Superman. Kal-El, wanting Kara to have a safe human childhood like he had, took her to live with Jeremiah and Eliza Danvers, a pair of scientists who once helped him understand his own powers.

As she adapted to her new home, Kara had frequent panic attacks and was horribly claustrophobic from being stuck in her pod for so many years. Shortly after arriving on Earth, Kara found and befriended a stray cat living on her street, whom she named Streaky. Scared that she would hurt Streaky if she touched him, Kara practiced controlling her strength and being gentle. When she finally petted Streaky, the cat purred, which was one of the first times Kara felt human.

Kara was enrolled at Midvale Junior High School along with Jeremiah and Eliza's daughter, Alex Danvers. Kara was overwhelmed by the new environment as well as her developing powers. After school, they went to Swan Beach and Kara embarrassed Alex by staring at the birds as they did not have them on Krypton. When a car crashed nearby, Kara ran at super-speed to the rescue, saving a mother and her child with her super-strength. However, Alex was injured by a car door when the vehicle exploded. After this incident, Jeremiah and Kara decided that it was best for the latter to hide her powers. Jeremiah gave Kara a pair of lead-lined glasses she could wear to suppress her vision.

Kara was taken swimming by Eliza on Tuesdays and Thursdays.

At some point, Kara was introduced to the musical The Wizard of Oz by Eliza. She quickly fell in love with the film and watched it frequently with her adoptive parents. Kara had also seen the movie Center Stage and spent an entire summer learning the red shoe dance, breaking three lamps in the process.

One night, on the roof of the Danvers' house, Kara convinced Alex to sneak out and go flying with her, despite the latter's initial protests. During the ride, Alex confided in Kara the story about a family trip she took with her parents to Nagano when she was seven and taught Kara a rhyme which a local girl taught her: "yubikiri genman, uso tsuitara", which means "pinky swear.". Kara and Alex were later caught sneaking back into the house by Eliza and Jeremiah. The couple scolded the girls and Jeremiah reminded Kara her powers in public were to be kept secret in order to protect her. When someone knocked on the door, the girls were sent up to their room, with Eliza ordering Kara not to use her super-hearing to listen in on their conversation. A year later, Jeremiah 'died' protecting a martian from the D.E.O.'s ruthless director, Hank Henshaw, but Kara and Alex were told by Eliza that he died in a plane crash.

Kara was invited by Superman to see the Fortress of Solitude several times, though she always rejected the offers as Kara feared the fortress would remind her of Krypton.

In high school, Kara's relationship with Alex became strained after Jeremiah's apparent death. She was considered an outcast at school and her only friend was Kenny Li. One night when she was 15, Kara and Kenny went stargazing in the woods and almost shared a kiss before the former pulled away. The next morning, Kara's super hearing picked up a police scanner identifying a body with a description matching Kenny's. She rushed to the forest and saw Kenny dead, much to her devastation. Later in school, Kara interrogated the football team's quarterback Jake Howell, who was always bullying Kenny. He revealed Kenny caught him smoking pot on campus but had an alibi. Later that day, she visited Kenny's parents to express her condolences and promised to find his missing telescope, despite Sheriff Ronald Collins' advice to let the police handle it. That night in the woods, Kara encountered Alex, whom she almost hit with heat vision. The duo found Kenny's laptop and took it home, where Kara sent the encrypted files to Clark's friend Chloe. In Kenny's email, they found a picture of their history teacher, Mr. Bernard, kissing Alex's friend Josie, much to their shock.

The next night while walking home together, Kara and Alex were nearly hit by a speeding car, but Kara was able to use her powers to protect Alex and herself. At home, Eliza scolded Kara for getting Alex and herself into trouble and directed her to "Noel Nil", an F.B.I. agent who knew about Kara's powers and resembled her late mother. Kara expressed her frustrations with living on Earth, desiring to fight crime alongside her cousin. Noel kindly reminded Kara she's only 15 and using her powers could have consequences for Eliza and Alex as well. Kara agreed and, in Kryptonese, said: "I love you, Mom." After Noel left, Kara declined to help Alex when the latter realized Mr. Bernard didn't kill Kenny. Upon receiving the decrypted files from Chloe, Kara realized Collins was responsible, as Kenny caught him dealing drugs. She tried to call Alex, only to learn she had been taken hostage. Kara then flew to the school and followed Alex's voice to the boiler room, where she knocked out Collins and rescued her sister.

A few days later, Alex and Kara ate lunch at school together. Kara revealed that Kenny had a photo of her flying but kept it secret and was overjoyed that he liked "all of [her]". Alex invited Kara to hang out after school, which the latter agreed to. Kara promised to work on being human while Alex promised to try and be a better sister. Deciding that the world didn't need another hero, Kara tried to live a normal life and accept her future on Earth.

Over the years, the bond between Kara and Alex became so strong that neither of them can imagine their lives without the other. In high school, Kara developed a rivalry with a girl she nicknamed Belinda-the-Bully. When attending the school prom, Kara accidentally stomped on the foot of her dance partner, breaking three of his toes. After graduation, Kara attended Stanhope College and then National City University, where she earned a Bachelor of Arts in Marketing. During college, Kara also worked as a part-time nanny to the Quinton family in the summer of 2009 and spent the next summer doing an internship at the Midvale Newspaper. Afterwards, Kara waitressed at Noonan's Restaurant for three years. In 2013, sometime after graduating college, Kara went for a job interview at CatCo Worldwide Media as Cat Grant's assistant. There, Kara met Winn Schott and secretly used her abilities during the interview to impress Cat and secure the job.

Kara's sentimental life was always difficult and she often had trouble with kissing; she broke the noses of at least four partners due to not controlling her strength.

Embracing her powers
After a failed date, Kara saw on the news that Flight 237, the one her sister, Alex Danvers, was flying on to go to her conference in Geneva, was going down. Attempting to save the flight, Kara used her abilities for the first time in years, successfully helping the plane land, though not without causing damage to Otto Binder Bridge. Though was later berated at her apartment by Alex, who was upset that she had revealed herself to the world, and couldn't take it back. Deciding to become a hero, Kara confided her secret in Winn the next day on the roof of CatCo. With Winn's help, a costume was made, and Kara was able to stop a bank robbery and car chase. Kara was later subdued by the Department of Extra-Normal Operations while trying to stop a fire, the latter whom used Kryptonite darts. Meeting Director "Hank Henshaw" at the DEO base, it was explained to her that when her ship got loose from the Phantom Zone it dragged Fort Rozz, Krypton's maximum security prison with it to Earth. Though she offered to help, her offer was rejected by Henshaw. The next day, Kara was furious Cat Grant had dubbed her Supergirl, later being contacted by a Fort Rozz escapee, Vartox, and although she was defeated on their first encounter, she later convinced Henshaw to give her another try, in which she defeated him.

Kara later learned that Clark had in fact asked James to come to National City to keep an eye on her. Kara was confused as to why her cousin didn't just tell her he wanted her to be a hero himself, to which James explained that Clark wanted her to choose that path for herself, the same way he had to, as that was what made a hero. Kara was then given the blanket Kal-El was wrapped in as a baby, which James had been entrusted with to give to Kara for her to use as a cape. A week later, Kara tested her abilities with the D.E.O. She later stopped a fire at the National City Port, and the next day at work, Kara was present at the meeting where Cat told her employees that she wanted an interview with Supergirl. However, Kara after, quickly told James that she wasn't going to do it, as Cat would recognize her. Kara was later contacted by Alex regarding an alien theft at Plastino Chemicals, with Kara identifying it as a Hellgrammite afterwards. Kara offered to subdue the Hellgrammite, though her offer was rejected by Henshaw who wanted her to prove that she could handle herself beforehand. Kara was then brought into the D.E.O. training room and swiftly defeated by Alex. Arriving into work the next day sore, Kara took advice given by Cat Grant of starting small and working her way up, and enlisted the help of both Winn and James. With their help, Kara was able to handle several situations. Later at her apartment, she thanked Winn and James for their help, and was soon after given an apology by Alex. The following day, Kara listened in on James' conversation with Cat, giving him a pep-talk after he was given a dilemma by Cat. Directly after, Kara was called by Henshaw who notified her that Alex had been abducted by the Hellgrammite. After criticizing Henshaw, Kara tracked down Alex at the warehouse she was being held captive at. There, she discovered her Aunt Astra was still alive, and a fight between the two ensued. Kara and Alex were saved from Astra by Henshaw, and later at the D.E.O. Kara was shown a room that had been setup for her to communicate with her own personal A.I. Kara later carried Cat's car to a remote location for their interview, telling Grant that James Olsen had told her that Cat had wanted to talk to her.

During her interview with Cat, Kara accidentally revealed that her and Superman were cousins, flying off afterwards. The next morning at Noonan's, Kara was teased about her crush on James by Alex, who also told her she had to stop telling people her identity as Supergirl. At CatCo, Cat told Kara that she would be writing an expose on Supergirl for an issue of their monthly magazine, and that'd they be having a big party to launch it. Kara was later alerted by Agent Vasquez of a multiple car collision on the highway. While there, she encountered a masked villain who attacked her, and after a brief battle between the two, the man flew away after she damaged his suit. Back at the D.E.O. headquarters, the man was identified as Reactron, an old villain of Superman. Afterwards, Kara was told by Henshaw that the D.E.O. wasn't going to help her deal with him, as Reactron was human, and fell out of their jurisdiction. Later, Kara and James were shown Ed Flaherty's old office by Winn, who had turned it into a base for their Supergirl matters. While going over Reactron's powers and his history with Superman, James suggested that Kara call Superman for assistance, much to her reluctance. After being informed of Maxwell Lord's capture by Reactron, and discovering the latter's identity, Kara found out the location of Reactron's hideout, saving Maxwell though she was soon defeated by Reactron, and subsequently saved by Superman. The next day, she discovered that Supergirl was being discredited by Lord in the media because of Superman's intervention, and dismissed James after discovering that James called him. At Cat's party, Kara danced with Winn and later James, though Reactron broke in interrupting them. As Supergirl, Kara stops him, successfully removing the power core, powering his suit. Back at her apartment, Kara and Alex make up, with Alex suggesting that Kara asks James out. However, when Kara goes to his office the next day, Kara sees Lucy Lane, James' ex, who arrived to talk to him. Kara overhears the conversation, leading her to believe that Lucy wants to get back with James. Upset about this, even giving Winn the cold shoulder, Kara received a texted apology from Clark. While flying in National City, Kara encountered a drone and destroyed it, afterwards blaming the D.E.O. for following her. Later at CatCo, Kara offered to watch Cat Grant's son after discovering that Grant had won the Siegel Award for Women in Media, and didn't have anyone to watch him. At Noonan's, Kara talked with James about his relationship problems with Lucy Lane, leaving after finding out a bomb had went off in a building nearby. After saving the building, Kara was soon after reminded by a call from Cat Grant, that she was late to pick up Carter. After picking up Carter at St. Edmund Hall, Kara brought him back to CatCo, and later stopped James from venting to her about Lucy. Kara then received a call from Alex about the bomb at Lord Technologies, arriving there as Supergirl, and successfully getting the bomb clear of the city, being knocked unconscious from the bomb's explosion. She later awoke at the D.E.O., and was informed of the bomber's identity, Ethan Knox. Though she offered to help, Kara was ordered by Alex to sit out on the case, after falling from the height she had. While getting lunch from Noonan's, Kara encountered Lucy Lane who confided in her about her problems with James, which she later recounted to James. While going to protect Maxwell Lord's super train on its opening, Kara was alerted to a bomb at Lord Air Terminal. Kara then received a call from Winn who told her both Carter and Knox were on the train, deducing that there two bombs, and telling Alex and Hank to handle the airport, and she'd handle the train. Arriving on the train, Supergirl alerted Lord of the bomb, and told him and Carter to get all of the passengers to the back of the train. After finding Knox, she pleaded with him to deactivate the bomb, though to no avail, having to detach the train car that Ethan was in from the rest of the train, watching it blow up from a distance. The next morning she was berated by Cat for letting Carter get onto the train, and later that day confronted Maxwell Lord after discovering he was the true culprit behind the bombings.

As Supergirl, Kara stopped an alien convict from escaping the D.E.O.. At her apartment, Kara along with Alex greeted Alex's mother, Eliza Danvers, with the Eliza complimenting Kara on her work as Supergirl. At CatCo Kara invited Winn to her family's Thanksgiving dinner, after finding out he had no plans. Afterwards she listened in on Cat demoting Leslie Willis to the traffic chopper, and she later in the day had to save Leslie from the helicopter after lightning hit the aircraft. While doing so, lightning deflected off of Kara it deflected onto Leslie, putting her into the hospital. The next day, Kara went with Cat to visit Leslie in National City Hospital. During Thanksgiving dinner, Kara announced that before everyone ate, she wanted them to go around saying what they were all grateful for. After going first, Kara excused herself to answer a call from James. After an argument between Eliza and Alex broke out, and Winn and Alex left, Kara left to handle an emergency for Cat Grant. While there, Livewire arrived and attacked both Kara and Cat, with Kara causing Leslie to flee as Supergirl. Later, Kara discussed what had happened with Henshaw, who deduced that Kara was the Element X in Leslie getting her powers. Back in Cat's office, the two had a conversation about the death of Kara's parents, her current family problems, and Cat's problems with her own mother. Kara agreed to ask the FBI for a direct line to Supergirl, as well as taking Cat's offer to go home. At the D.E.O. Kara was given an industrial capacitor to capture Leslie with, and working with Cat, she was able to grab a water pipe under the street and short out Leslie with it. Before leaving, Eliza revealed to Kara and Alex that Jeremiah died working for the D.E.O., under Hank Henshaw.

Kara later broke up a road rage between two men, causing one of the men to confront her. Kara caught his punch, and twisted his arm, scaring children in the process. She was later criticized for her actions by both Maxwell Lord, and Hank Henshaw. Kara and Alex later persuaded Winn to hack into the D.E.O. mainframe to discover what had happened to Jeremiah Danvers. Both Kara and Alex were called by Henshaw, and at the D.E.O. base camp, General Lane arrived, demanding that Supergirl fight their field robot, Red Tornado. The next day, Kara as Supergirl flew to the D.E.O. base camp for her fight with Red Tornado. As the fight progressed, Supergirl lost her temper, breaking off Red Tornado's arm in the process. At CatCo, Kara lashed out at Cat, as she was frustrated with always being yelled at, despite working hard at her job. Kara and Cat later had drinks together at Noonan's, with Cat giving Kara advice on controlling her temper at work, furthermore find out why she was angry. Kara was alerted by James of Red Torando's appearance, with Kara arriving as Supergirl and engaging the android in combat. However, Kara had to diffuse a tornado Red Tornado caused, allowing it to escape. At a garage Kara and James blew off steam together, with Kara hitting a car, losing her temper, and soon after confiding in James that she thought she'd never find love or a normal life. At the D.E.O., Kara was informed by Alex that Morrow was still controlling Red Tornado. After the D.E.O. drew the robot out using hologram technology, Supergirl engaged Red Tornado and used her heat vision in an attempt to stop Red Tornado once and for all, causing the android to explode. While later cleaning up a glass from a cup she had dropped, Kara cut herself, much to her surprise.

She was later informed by the A.I. hologram of her mother, that her powers had been drained after she used the full power of her heat vision. Though she is told that her abilities should return in a few days, and Kara is urged by Alex to enjoy her day without her powers. Kara is later sent home by Cat for the day, when Cat sees her sneeze. She later encounters James, and an earthquake occurs soon afterwards, with a car almost colliding with Kara, and although James knocks her out of the way, she sustains a broken arm. After Maxwell Lord criticized Supergirl's absence, Kara and James visit him, with him claiming that Supergirl no longer has her powers due to her recent fight with Red Tornado and may never get them back. Back on the streets, Kara is present when Maxwell attempts to save a woman's father, though in the absence of an X-ray machine to find a venous thrombosis, he fails. Without her power of X-ray vision, Kara is unable to save the man as well, making her feel helpless. Kara hears a robbery happening nearby, showing up as Supergirl, and talking the robber out of it, with James snapping a photo of the event. She is later informed by Winn, that an adrenaline rush will restore her powers. After James almost falls down an elevator shaft, the moment allows for Kara's powers to return. With her powers back, Kara stops several disasters, including a bus of children from falling off a bridge, and a fire at West National City Bank. Kara was later told by Winn that he was disappointed in her, for her actions with James, despite him having a girlfriend. She later thanked Cat Grant as Supergirl for her actions during her absence, and while flying, Kara was attacked by three Kryptonians, led by her Aunt Astra.

Kara fights them off, and although Astra attempts to persuade Kara to join them, Kara refuses and leaves. She then returns to the D.E.O. to inform Alex and Hank, though they suggest she not rush anything, and get some rest. The following day, Kara is asked by Cat to bring in Winn and James for help after news broke of her leaked email server. At the D.E.O., Kara sparred with Alex, with the latter chiding her for hesitating during their session, and furthermore that she thought DEO should handle the Kryptonian threat, because of Kara's familial ties. Kara and James informed Cat that there wasn't anything in the emails that could be used to slander her, though Kara was later told by Cat to keep looking for any more leaks, as she suspected Dirk Armstrong was going to find some way to damage her reputation. Kara, using her hearing, listened to Armstrong admitting to having set Cat up. Kara then asked James to enlist Lucy's help in tracking a paper trail to clear Cat's name. Soon after Kara went to confront Astra, who had called her out publicly. During their battle, Kara eventually gains the upperhand, taking an unconscious Astra back to the D.E.O.. There, Kara discovers her mother used her to summon Astra in the past, to get the latter arrested. At CatCo, Kara learns about Adam Foster, an individual in Opal City Cat had been paying money to. She later finds out from Cat that Adam is her estranged son. Kara is later present when James, Winn, and Lucy arrived presenting her with evidence that Dirk was behind the leaks. Later, Kara goes to Cat, and is surprised to learn that Cat found out that she was Supergirl. During which, Kara gets a call from Alex, and excuses herself and arrives ready to battle Non.

During her fight with Non, Hank is abducted by Non. At D.E.O. headquarters, Kara asks Astra where Non took Hank, but she refuses to reveal anything. Kara tells James and Winn of Cat suspecting her to be Supergirl, a suspicion Cat continues to test through various challenges. Kara is present when Non contacts the D.E.O., offering to trade Hank for Astra. Much to her horror, Kara later has to sit by while General Lane tortures Astra with a Kryptonite injection. Kara later has to save Alex and another D.E.O. agent from an explosion after Astra's revelation of Hank's location turns out to be a trap. At CatCo, Kara is given the dilemma of proving that she isn't Supergirl, or Cat will fire her. Later, Kara thanks Cat for the opportunity to work with her and resigns, explaining that Cat's suspicions make it impossible for her to do her job. Afterwards, she discovers James' injuries that he had sustained, after investigating Maxwell Lord, announcing that she'd go after him. While visiting Astra, Astra tells her that going through with the exchange is the only way to rescue Hank. Kara agrees, though there is initial protest from General Lane. She is present when the trade is made, and though Non springs an ambush, Astra calls off the attack, demanding that Non honor the agreement. Hank later uses his shapeshifting ability to impersonate Supergirl so that Cat can see her and Kara at the same time, and Kara is offered her job back. Though Kara is offered full-time job at the D.E.O. by Hank, she rejects it because her relationships at CatCo are what humanizes her. She later has an online chat with Superman, who offers her both support, and assistance if she ever needs it.

During a flight together, Kara attempts to convince a reluctant J'onn to embrace his powers and reveal himself to the world. The two are then joined by Alex and the three come up with a plan to find out what Maxwell is hiding at Lord Technologies. Kara is later present when Agent Cameron Chase arrives to question him about his father's whereabouts. Kara then confronts Winn, who tells her his father's crimes, and Winn then shows Kara a doll he received on his desk, from Winslow Sr.. Later, Kara questions Cat's reason for hiring Lucy, only to have Cat accuse her of making a move for James. Kara goes along with Winn, when the F.BI. has him go to an arcade to meet his father, in a trap. She later saves several agents and Winn from poisonous gas, inhaling the gas and dispersing it into the air. Back at CatCo, Kara is informed that Winslow Sr. must be hiding in an abandoned factory that he use to own and Kara flies off to capture him before the FBI does. When she arrives at the factory Kara is trapped in a box of quicksand, and overhears a girl's voice from an overhead box that is about to be dropped into a shredder. She escapes but discovers a Supergirl doll in the box, allowing Winslow Sr. to escape. At her apartment, Kara is kissed by Winn while the two were talking, though she rejects him. At National City Toy Con, Kara later saves Winn from being shot by several F.B.I. agents, and uses her x-ray vision to see Winslow Sr. set bombs on a timer. She turns on the sprinklers and freezes the water to create a frozen shield that protects the Con's attendees, foiling Winslow Sr.'s plans and subduing him. Later at CatCo, Kara tries to apologize to Winn, who in turn apologized for kissing her, though isn't sure where they stood because of his feelings for her. Later that evening Kara flies in with her Supergirl costume into her apartment, confiding to Alex about Winn's feelings for her and admitting she felt guilty about it.

Kara is later on the verge of being fired because Adam Foster arrives in National City, after receiving a letter written from Kara, who pretended she was Cat. However, Kara turns things around by offering to have the two dine together by getting them reservations. She later saves Senator Miranda Crane when a White Martian attacks the rally, and afterwards offers to J'onn to help take it down. Kara helps Cat out with getting to know Adam before their dinner, and is later shown photos by James of the White Martian's attack at the rally, who notices that some of them show Miranda's eyes glowing white—much like those of the White Martian. Kara calls Alex, telling her that the White Martian is at the D.E.O., disguised as Miranda. Kara shows up as the White Martian is about to attack, only for the White Martian to escape. At CatCo, Kara tends to Cat who is upset over the dinner earlier because of the letter, which prompts Kara to go see Adam personally. After a short talk and an admission from Kara about the letter, Adam agrees to meet with his mother on the condition that Kara joins them. During their dinner, Kara acts as a mediator and successfully helps mend their relationship. Later, Kara goes with J'onn to the desert to rescue Alex, and defeat the White Martian. During the battle, J'onn puts Kryptonite handcuffs on Kara so he can kill the White Martian, though Kara talks him out of it. At the D.E.O., Kara is thanked by the real Miranda Crane, and later Kara is asked out on a date by Adam, which she agrees to. At her apartment, Kara and Alex see a Supergirl impostor save a car from falling.

At the D.E.O., Kara suggests the impostor is a clone. Kara later notices Cat being nice to her because she was dating Adam. During her date with Adam, Kara sees a news report of a stranded tram, prompting her to bail. Atop the tram, she was confronted by Bizarro, who ignores her questions and attacks her. During their fight, they broke the tram's support, causing it to fall. Supergirl catches it while Bizarro watches in slight puzzlement. Kara is later asked out on another date by Adam, which she was convinced to go on by Alex. On their date, Adam and Kara discussed their parentage, and Kara said it's hard for her to feel normal, though Adam told her no one feels normal and the two kiss. During which, Bizarro swooped down and dragged Kara away. The two fought and Bizarro gained the upper hand until Alex arrived, firing at Bizarro with Kryptonite weapons, causing her biological structure to mutate and decay. Bizarro screamed her hatred for Supergirl before flying off. Kara realized that Bizarro came after her in her civilian identity and deduced that Max knew her secret identity. Kara stated they need to stop Max once and for all. Back at CatCo, Kara broke up with Adam, citing she didn't have room in her life for him. She was later alerted to James' position after he had been captured by Bizarro. Supergirl and Bizarro fought again and the latter tried to strangle Supergirl, though Alex got a clear shot and knocked Bizarro unconscious. Supergirl later got an apology from Bizarro before she was put under. Kara later went to confront Maxwell, telling him he'd never hurt anyone again, before the latter threatened her foster mother, angering Kara. At CatCo, Cat told Kara she wanted their relationship to go back to being strictly professional. Kara was later attacked by a creature when she arrived back at her apartment.

Black Mercy and the death of Astra
Kara woke up on a bed and was surprised to find herself on Krypton, with her mother Alura claiming that Kara had been suffering from "Argo fever". She later panicked as she did not have her powers or didn't understand what was happening. She was distracted by a carving she made for Zor-El when she was eight, but was conflicted over her memory of leaving Krypton as well. She was determined to get to the bottom of the mystery and go home. Kara's memories of Earth later faltered, and she was finally distracted and placated by a young Kal-El, who asked her to open an intricate orb, which she did. The orb opened a large holographic display of the cosmos. With Kal-El pointing out Krypton and Kara quietly agreeing with him that it was beautiful. When Alex arrived in the hallucination, Kara knocked her out with a sculpture, having no memory of her life on Earth. Kara's memories were later jogged when Alex was being sentenced, and she was freed from the Black Mercy. After she awoke, Kara angrily demanded to know who had done it to her, and angrily confronted Non, pummeling him. She later spoke to Astra during her last moments, while she was dying. She later arrived back at her apartment, to find Alex, Winn, and James waiting for her. Later at her apartment, Kara was summoned by Non to attend Astra's funeral. She was also told that there'd be a two-week mourning period, and then Non would kill her. At the D.E.O., Kara refused to release Maxwell Lord, and the next day at CatCo, Kara was informed by Cat that she had hired a second assistant. After being one-upped by Cat's new assistant, Siobhan Smythe, Kara overheard Cat telling James and Lucy to investigate Maxwell Lord's disappearance. Soon after, Kara argued with James over the D.E.O.'s ethics, and holding Max without due process. She was later questioned by Siobhan about the nature of her and James' relationship via message, though Kara told her they were simply friends. She later confronted Master Jailer, eventually becoming entangled in chains, allowing him, along with the Fort Rozz escapee he was hunting, to escape. Back at the D.E.O., Hank identified the alien as Luzano, a former drug smuggler Alura had put away in the past. She was later once more confronted by James about the D.E.O.'s imprisonment of Maxwell Lord, though she told him that she did what needed to be done. Kara later discovered that Master Jailer was a police detective through Alex, and confronted him in his civilian guise. She was soon after captured by Master Jailer, finding herself in a cage without her powers. While there she talked with Professor Luzano, with him telling her, his story. The two however were saved by Alex and the D.E.O., and Kara was able to defeat Master Jailer. Kara and Alex later released Maxwell Lord, and later after unsuccessfully questioning her A.I. about Myriad, told Hank she didn't know how to work with him after what he had done to Astra.

In the days following, Kara rejected Alex's offers of coming back to the D.E.O.. She later prevents an accident, after a hacker who appears on CatCo monitors, disrupts the city's traffic signals. Back at her apartment, the hacker teleports through a computer when Winn attempts to crack the hacker's code. However, Alex and Hank arrive, and after making the hacker retreat, she rejects another offer to come back to the D.E.O.. Kara is later taken to Superman's Fortress of Solitude by James, where she questions Kelex, telling it that she's looking for a Coluan. Kelex tells her the hacker is Indigo, a descendant of Brainiac and a prisoner at Fort Rozz for attempted genocide, and is considered the deadliest of all the escaped prisoners. She later tries to talk to Lucy after she gets mad at James for missing their date, recounting a story James told her about how he got his camera. Kara later arrives at a military site to fight Indigo, who was attempting to launch nuclear missions at National City. However, she is forced to abandon the fight when Indigo activates a missile. She attempts to push it off course, but it simply adjusts its path and continues to fly towards National City. With Hank's help however, she is able to successfully disarm the missile. Indigo attempts to launch more missiles though Kara returns to stop her. She is later defeated for good, after being infected by a virus that disabled her. Kara later tells James that he can tell Lucy her secret, though he reveals Lucy broke up with him. Kara later returns to work at the D.E.O., with Alex coming clean about killing Astra, causing the two to embrace. Kara is later infected with Red Kryptonite when she flies out to help a fireman trapped by debris in a fire. The next day, Kara smashes her alarm clock and arrives for work at CatCo wearing somewhat more stylish attire than normal. She later let a K'hund Fort Rozz escapee go after defeating him, and afterwards criticizes Hank for hiding his abilities when him and Alex confront her. At CatCo, Kara gets Siobhan fired by luring her away from her desk long enough to print a copy of the email of her trying to sell the story of Supergirl letting the alien escape, to the Daily Planet. Kara invites Winn and James to celebrate at a club. Kara arrived late, and persuaded James to dance with her. She tried to come on to James, and trashed Lucy in the process. Kara later flies to CatCo, and tells Cat that she's no longer interested in being a hero. To prove her point, she throws Cat over the balcony, and flies down to catch her just in time. Later at her apartment, Kara adopts a new uniform, similar to what Astra and the rest of the Kryptonians wore, laying into Alex when she arrived, pouring out years of resentment. Flying off, Kara wreaked havoc on National City, causing Hank to reveal his true martian form, as J'onn J'onzz and engage her, allowing Alex to use an antidote on her. Kara is later horrified at her actions under the influence of Red Kryptonite, and attempts to soon after apologize to both James and Cat, though unsuccessfully.

Days after, Kara went to stop a bank intervention in the morning, though everyone fled when she arrived, due to her scaring everyone while under the influence of Red Kryptonite. She then took a sick day at work, and later fails at listening in on Colonel James Harper's interrogation of J'onn. Kara along with Alex later object when J'onn is taken into custody, though to no avail. She is later shocked, when Alex is also taken into custody, and the two are both being sent to Project Cadmus. Kara later has James explain what Project Cadmus is, and Kara is forced to reveal her identity to Lucy in an attempt to save J'onn and Alex. Both Kara and Lucy later break J'onn and Alex out while they were in route to Project Cadmus. Kara offers to hide Alex in the Fortress of Solitude while she finds Jeremiah, but Alex insists that she has to be the one to find him. Back at the D.E.O., she agrees to help Lucy, as Lucy is promoted to acting director of the D.E.O.. Upon being informed that a bank robbery is underway, Kara heads off to stop it. However, she didn't know if National City would ever trust her again, though Lucy reassures her that if she can win her trust, she can win back the city.

Livewire, Silver Banshee and the Flash
Kara along with Winn later took Siobhan to the D.E.O. after she had fell from a roof, as she'd displayed the power to save herself. Later at CatCo, Kara was sent flying by Siobhan using her sonic scream. However, The Flash saved Kara who accidentally ran her to the desert. Kara proceeded to fly off, but stopped in order to talk to him. Introducing himself and explaining that he was from another universe, he asked for her help to return. Kara took Barry to their makeshift base at CatCo, where he was introduced to Winn and James, explaining to all of them the concept of the multiverse. Promising to help him get home, Kara enlisted Barry's help with Siobhan and Livewire. She then took him to the D.E.O., introducing him to director Lucy Lane. Tracking Siobhan and Livewire, they found them at an abandoned warehouse. Despite being unsuccessful in their attempts to subdue them, Barry suggested that Kara needed to slow down and stop trying so hard, drawing from personal experience. Back at the D.E.O., Kara was contacted by James, telling her than Cat Grant had been kidnapped by Livewire and Siobhan, now known as Silver Banshee. Utilizing ear bud-type devices, the two villains were quickly defeated, along with the help of National City citizens and the fire department. Later, Barry and Kara returned to the desert. They combined their speed in a race, with Kara throwing him through a portal that was created. Later at her apartment, Kara and James shared a kiss, though afterwards she was surprised to see him walk away with a blank stare, and joined hundreds of other people marching blankly down the street, all under the control of Myriad.

Myriad
Kara arrives at the D.E.O., and attempts to stop a prisoner, Maxima, from escaping. However, Lucy stops her with Kryptonite bullets, though she is able to stop the rest of the prisoners from escaping by destroying the computer terminal, using the afterburners from her pod. After removing the bullet, she flies to the Fortress of Solitude to find her cousin Superman, but Kelex tells Kara that he is not on Earth and refuses to inform her about Myriad. However, the A.I. of Alura explains that Myriad was a mind-control system Astra and Non were arrested for trying to use against the people of Krypton, also learning Kara that once Myriad is in effect it can't be stopped. Back in National City, Kara is noticing everyone, even Winn and James, are now under the Myriad effect and watching Kryptonian codes on the screen, General Lane has placed the entire city under quarantine, but Kara informs him that she will help save his daughter. However, she soon finds out Maxwell Lord and Cat Grant are both unaffected, due to Max's technology. Non soon arrives, and forces James, Winn, and Kelly to jump to their deaths. Kara however is only able to save Winn and James. Soon after, she warns Alex not to come to National City, or else she'd be under the control of Myriad. She later agrees to go along with Maxwell Lord's plan, though Cat opposes to it. The two go to Lord Technologies to convince Lord not to launch his bomb, and the trio went to Cat's original broadcasting station intending to broadcast a counter signal to Myriad. However, Alex arrives under the control of Myriad, and in Kryptonite armor, engaging Kara in battle. During the fight, Kara was swiftly defeated by Alex, and almost killed, until J'onn arrived with Eliza, who talked Alex out of it, breaking Myriad's control over her. In the broadcasting station, Kara successfully broke Myriad's control over the people of National City, by giving a speech about hope. Later at the D.E.O., Maxwell Lord informed them that the Kryptonians were now using Myriad, increasing the frequency until every human's cranium exploded. Before she could leave, Maxwell Lord warned Kara that this was in fact a suicide mission as she had no backup. After hearing such, Kara gave Winn, Cat, and James goodbyes of sorts at CatCo. She later, identified the device Maxwell Lord had discovered that was powering Myriad, as a Omegahedron, energy devices used on Krypton. After being informed that the Non and the Kryptonians were hiding out in Nevada in Fort Rozz, Kara went to confront them, along with J'onn who the D.E.O. agreed to release. Before she left, Kara gave Alex the necklace her mother had given her, to keep it safe. There, Supergirl and Non fought each other, and Indigo and J'onn battled one another. Kara eventually defeated Non in a heat vision face off, and a dying Indigo revealed that she had locked Fort Rozz's system, so they couldn't fly away the ship, which was powering Myriad. Kara decided to fly the ship into space, telling her sister goodbye over her intercom. After exiting the atmosphere, Supergirl began to pass out and suffocate. However she was saved by Alex who used her pod to rescue her. Back at the D.E.O., Kara was congratulated, and the next day at work Kara received praise from Clark via message, and was promoted by Cat. Later at her apartment, Kara had a celebratory dinner, though it was interrupted when a pod flying in the sky caught their attention, causing Kara and J'onn. At the crash site, Kara recognized the pod as identical to hers, and was surprised at what she found inside.

Superman's arrival
Kara and J'onn found a comatose alien in the pod and placed him in D.E.O. National City headquarters. Arriving at CatCo, Kara meets miss Grant, who asks her if she decided what position she wants, to which Kara said that has not yet decided. Then Cat gives her 48 hours to make a decision. After that Kara comes home and starts to pick up a dress for her date with James. As he arrives, bringing pizza and ravioli, Kara turns on the TV, where they see the launch of the Venture spacecraft, which suddenly begins to fall due to engine failure. Kara flew to the accident site, where she was joined by Superman, and together they prevent catastrophe, to cushion the fall of the shuttle. Kara arrives in D.E.O., bringing Superman with her to shows him the man they had found into the pod the previous night. Then Clark decides to join the investigations on the fall of the shuttle and offers to go to CatCo with Kara. There Kara apologizes to James for having interrupted their date and appoint a new one. After this Kara and Clark go to the Luthor Corp, to talk with Lena Luthor, who explains that she refused at the last moment to flight on the Venture due to an emergency meeting on the renaming of the company and is not related to the accident. Later Lena Luthor's helicopter was attacked by drones, but Supergirl and Superman saved her, destroying them, and then Supergirl told Lena that someone wants to kill her. Later, Kara tried to talk Lena out of doing her speech, but she said that she should do it. During her speech John Corben attacks Lena but she was saved by Supergirl while Superman supports a building from collapsing on a square full of people. The next day Kara came to Cat and said that she decided to become a reporter. Cat said she knew that she would have chosen this position. Then, Kara decided to talk with James and told him that in her opinion it is better to be just friends. In D.E.O. Clark told Kara that he decided to stay in National City a little longer.

After she was promoted to reporter, miss Grant introduced Kara to her new boss, Snapper Carr. Kara started to tell him that she would try to be a good reporter, but he just walked away without listen to her. Later, at her apartment, Clark told her that it was time for him to return to Metropolis, to which Kara was clearly upset. At this point, the news reported about a man who is about to jump down a bridge, so Supergirl and Superman arrive at the site only to discover this person is John Corben, who is now a Kryptonite-powered cyborg dubbed Metallo. He struck Kara with a Kryptonite beam and she lost consciousness, but before he can kill her, Superman threw him off the bridge and brought Kara to the D.E.O.; the next day, Kara returned to CatCo and came to Snapper, but he refused to give her any instructions, saying she is not working there, which outraged Kara, who went to miss Grant and ask her for help, however Cat told her that she should resolve her problem by herself and also that she decided to leave the company to experience something new. Later, Winn made Anti-Kryptonite Devices for Kara and Clark. While Superman and the Martian Manhunter dealt with Gilcrist in Metropolis, Supergirl and Alex overcome Corben in National City, as Alex stabbed him in the chest with a piece of pipe while Kara held him. In the evening Kara flew to Cat Grant in the guise of Supergirl and said that she knew that she was leaving, telling her she admires her. Kara then once again came to Snapper, giving him an article about the battle between Supergirl and Metallo with the testimony of eyewitnesses, and the comments of police, but he did not even want to read it entirely, then Kara said she would find another magazine who will take her article, but he stopped her and said to come back tomorrow. Immediately after that, Kara went to D.E.O., to say goodbye to Clark, who returns to Metropolis. Then she decided to visit the comatose alien, who suddenly woke up and seized Kara by the neck, then threw her aside and ran away from the D.E.O.

Dealing with Mon-El
Later J'onn told Kara that President Olivia Marsdin will come to D.E.O. during her visit to National City, which she commits to sign a decree on granting aliens the rights of US citizens, a news Kara was very excited about, especially After Alex tells her that the President expects Supergirl would meet her as her plane arrives. Later, at work, during a meeting Snapper gave each member of the staff a commission instead of James, and Kara, instead of an interview with the President, was sent to Lena Luthor. Kara, in the guise of Supergirl, arrives at the airport to meet Olivia Marsdin, but as soon as she got off the plane, she was attacked and nearly killed if not for the intervention of Supergirl. After that Kara comes to Lena Luthor, as she needed a comment from "the sister of the most famous alien hater". Lena tells her that L-Corp developed a new device that will identify aliens and offers Kara to test it. When Lena turned, Kara used her laser vision to sabotage the device and then agrees to test it, so it gives a negative result. Lena believes that people have the right to know who is an alien and who is not, therefore, she plans to put the device in all the country stores.

In the evening, Kara brings Snapper the article with Lena Luthor's comments, but he refuses to accept it as it is written too biased, and requires a rewrite. In D.E.O. she is struggling with her rewrite before Winn is able to locate the fugitive alien with Alex's help. They find that he's at the observatory and sending out a deep space signal. At first, Kara believes that he's trying to contact Krypton but Winn sees that the signal isn't heading for Krypton but to the planet Daxam. She immediately then goes to catch him. When she arrives, she physically confronts him as she believes that he is the one who attacked the President. A fight breaks out between them, resulting in the Daxamite getting knocked unconscious by Kara. She takes him to the D.E.O., where she explains to Alex, Winn and J'onn that Krypton had warred against Daxam for generations. She went to confront the Daxamite and they fell into a small argument about how each of their planets view the other's people. Kara then asked why he was at the observatory and he told her that he was just sending a distress call as he was stranded. Kara asked him why he had attacked the President if he was marooned but he claimed to not know what she was talking about which she didn't believe.

Later Kara came back to Lena, who praised her for her wonderful article, although she admitted that initially thought that Kara would "mix it with mud" because of their different views. Olivia Marsdin gave her speech and was about to sign the decree, when she was attacked again. The culprit turned out to be Scorcher, who managed to escape. Later, Alex found out the factory warehouse was where the criminal was hiding and she, along with Kara, arrived at the place and managed to defeat her. The next day, Kara apologized to the alien from Daxam, Mon-El, for having treated him biased due to the fact that her people considers Daxamites a race of bullies and hedonists, and for the fact that she accused him of the attempted assassination of the President. After that, he introduced himself as Mon-El and said he wanted to send a signal back home, but Kara was forced to tell him that Daxam had expired after Krypton's explosion.

Kara joined Alex and Detective Maggie Sawyer to a crime scene, where she helped establish the deceased alien was killed by another alien. Later, she went to work and told Snapper the news, but he refused her article, as she did not have any official sources. Later, after Alex and Maggie found the underground alien fight club, Kara arrives to back them up but, after the ringmaster, Roulette, released Draaga to fight against her, she was quickly overcome so Alex and Maggie shots into the air to disperse all the present forcing Draaga and Roulette to flee. Later at the D.E.O. Kara and Alex told J'onn that they have see M'gann M'orzz at the club. Kara once again went to Snapper with news regarding the fight club, he immediately became interested, but as soon as he learned that Kara again had no source, and only unofficial statements, he says that as long as she does not indicate her sources he can't publish her articles.

In the evening Kara stopped Roulette's limousine and told her that she will stop her illegal fights, to which Roulette replied that her club does not violate the law, as aliens are not people, and therefore they have no rights, pointing that on the contrary, she is giving them a place where they can "find glory and earn money". Roulette then told her that she could try to stop the matches but wouldn't stop them for long as she is offering her fighters more than Kara could.

The next day, in D.E.O., Kara wonders if Roulette might have been right about Kara offering nothing to aliens but Alex tells her that Roulette only offers fear and she can give them more than that. Kara then learns that Mon-El had left the D.E.O. with Winn, without permission, and had accidentally injured some people in a bar. She goes to speak with Mon-El about their powers, and about her parents and what they were. Before she left, he told her that he had heard about her fight with Draaga and that he'd seen him fight years ago with the Daxam Royal Family. He told her that during that battle a sword hit him in the right leg, making it his weak spot.

The next day Kara learns from Alex that J'onn and M'gann were kidnapped by Roulette and, after she obtains from Lena Luthor the new address in which Roulette will host the battle, Kara comes to it and managed to defeat Draaga. Then she explains to the aliens that Roulette is in fact their enemy, so they agree and let Alex and Maggie arrest her.The next day Kara comes to Snapper and gives him an article about the fight club, which has an official police report, criminological analysis and comment from Supergirl. He takes the article, but asks to correct some errors. Then she comes to the Mon-El in D.E.O. and she tells him that she was sent to Earth to protect and educate her cousin, but she was unable to fulfill this mission, so now she will train him.

Kara asked Winn to make Mon-El a fake ID as "Mike Matthews", and arranged him a job as a CatCo intern. They come at the office together and Kara introduces him to Eve and James, whit whom she later go to take a coffee, encountering a gang of criminals armed with alien weapon that Kara unsuccessfully tried to stop from robbing a bank and escape. Back in CatCo, Kara learns from Eve that Mon-El asked her to do the work that James had given to him, so she approaches him and explains that he has to do his job. At this point, Lena Luthor comes to CatCo and invites her to a charity event to raise funds for a children's hospital. Then Kara is called Alex, who told her about another robbery, Kara arrives on the scene, and one of the gang members with the help of anti-gravity gun sends a police car in the sky. Flying behind the car, Supergirl managed to saves the policeman, then she returns to CatCo and found Mon-El making out with Eve. Angered, she tells him that she tries to help him fit but he spoils everything, and that if he does not want to do anything he would look for another coach. Later Kara comes home and found Alex at her door, she tells her that she is in some ways confused but, seeing Kara upset, Alex immediately asks her what happened and the latter responds that Mon-El did not perceive the work seriously. Alex advises Kara to let Mon-El find what he is interested; after that, Kara asks Alex if she was going to say something, but before she can speak, Lena came to Kara's apartment and asked her to arrange a meeting with Supergirl. In the evening, Kara arrives at the L-Corp in the guise of Supergirl and Lena invited her to her charity party in the case of gang attacks. The next evening, Kara and Winn arrive at the charity event, where Kara supports two conversations at once with Lena, both as Supergirl and in her civilian identity, by rapidly changing clothes. After a while, Kara meets Mon-El at the party and he invites her to dance, then the gang of criminals armed with alien weapons broke at the party and start a struggle with Supergirl. At this point, Lena and Winn were able to establish a black burst generator, destroying the criminals' weapons so that they were captured. The next day Kara comes to Mon-El and says that he was fired, then she tells that she will not force him to live as she sees fit, and that he can find what he likes. In the evening Kara, in the guise of Supergirl, flew back to Lena thanking her for her help.

The next night, Kara and Mon-El sat at Al's Dive Bar, and she told him that he should find a job and start training with her, however he ignore her advices and offers her an alien cocktail which got Kara drunk for the first time in her life, so Alex and J'onn took her at the D.E.O., where she fell asleep. The following morning, Kara trains with Mon-El to teach him how to "change the world" and become a hero (also taking the chance to getting her revenge on him for what happened the previous night).

>At this point, Alex asks Kara to talk in private, and they went out into the street. There Alex admitted to Kara that she is a lesbian and that she has feelings for Maggie; to which Kara results a bit shaken. Kara then confesses her lesbianism towards Lena Luthor and Alex looks at her like, "I knew it". (not really but I wish). In the evening J'onn sent Kara and Alex in the National City University to arrest doctor Rudy Jones, who was infected by an alien parasite. However, as Kara hit him, he grabbed her hand, sucked out of it a part of her life forces and escaped. The next day, at Kara's apartment, she told a visiting Alex that she understands how it feels to keep part of themselves locked away; she encourages Alex to pursue a relationship with Maggie if that is what she desires. Later in the city center, Kara discovered that Mon-El has found a new work as a loan enforcer, and in the heated conversation that followed, she told him she was disappointed and that he was no hero, and in turn he told her she was not really altruistic, but rather an attention seeker. The exchange left both disheartened. In the evening, J'onn and Supergirl confront Parasite, who defeat them simultaneously sucking the life forces of them both; then they are rescued by Alex and taken at the D.E.O., where Kara quickly recovers thank to solar radiators. Meanwhile, Parasite terrorizes National City and is faced by Mon-El and the Guardian until Supergirl arrives and, after offering to him one last chance to surrender, she completely obliterate him by using plutonium from a nuclear power plant. Then she thanked Mon-El for what he has done, and the unknown armored vigilante, whose costume is partly made of lead and so she could not see who is underneath even with her X-ray vision. The next night, Kara came to Alex's apartment to talk to her, but she did not open the door; worried, Kara entered from the window and Alex, weeping, told her that Maggie has rejected her. Kara hugs her and begins to comfort her.

Medusa virus
After Mon-El was captured by a bunch of Cadmus' agents who deliver him to one of their hidden bases, putting him in a cage, Supergirl is informed by Cadmus at a special frequency that they have the Daxamite and promised to kill him if she did not come. When Supergirl arrived in Cadmus, she met the real Hank Henshaw, revived as a cyborg, who was able to overcome her and imprison her in the cell next to that of Mon-El. Here, Lillian Luthor revealed herself to Supergirl as the leader of Project Cadmus and threatened to kill Mon-El, if she does not deprive herself of solar energy with the help of a special device; despite Mon-El's pleas for Kara not to do it, she was forced to agree, then Lillian slapped her and took her blood for the purpose of obtaining information on "Medusa" before to sent her back to the cells. Fortunately they were rescued by Jeremiah Danvers, who had access to Cadmus IDs, and chose to remain behind for unknown reasons. Later that night, Kara, Mon-El and their friends celebrated their return in Kara's apartment and she informs Alex that Jeremiah is alive and well; then she told Mon-El he was brave throughout the ordeal, to which he replied any courage he had, he learnt from her. Preparing for Thanksgiving dinner, Kara helped to cook the turkey using her heat vision. She soon after walked over to Winn and James, the former of whom claimed to not be able to wait for Eliza's glazed carrots. She answered the door to Mon-El and introduced him to Eliza. Later on, as they sat down for dinner, they expressed what they were thankful for. Before Alex could come out, they were interrupted by a breach. The following day, Kara, Alex and Winn all headed to work at the D.E.O. Hoping to find out what Lena Luthor knew, Kara headed for L-Corp under the guise of writing a piece for CatCo. However, their interview was cut short. The day after, Kara visited a contained Mon-El, who had come in to contact with a toxin released by Cadmus. Due to its targeting of aliens, she was forced to stay at the D.E.O. Kara and Mon-El played Monopoly to pass the time, before collapsing in a coughing fit. She opened the cell, seeking medical attention. Deducing that the virus was from Krypton, Kara further deduced that Cadmus had used a sample of her blood to get into the Fortress of Solitude, thus obtaining the virus.

Kara traveled to the Fortress, where she was greeted by a reprogrammed Kelex. He attempted to kill her, but she used her heat vision to destroy him. Using the Fortress' computers, she was greeted by a hologram of her father, who explained the virus, Medusa, to her. Returning to the D.E.O. with all of the information she could, Kara sat by Mon-El's bedside, before later reminiscing of her life on Krypton to J'onn, admitting that her parents were not who they seemed. Suddenly, J'onn was struck by an immense wave of pain, showing his oncoming White Martian form. He explained what had happened with M'gann's blood transfusion, believing there to be no cure. Soon after, Supergirl headed to L-Corp, taking on Cyborg Superman. When another breach was opened for a moment, Hank was distracted, allowing Supergirl to gain the upper hand, but he escaped. Kara returned to the D.E.O. with an injured Maggie Sawyer, before she went to talk to Lena. She explained her mother's role in Cadmus, but Lena refused to believe her. Kara, distraught that her family had caused Mon-El's condition, went to sit with him as he woke up. Mon-El kissed Kara before he returned to sleep. Later on, Supergirl and J'onn left to the National City port, where Cadmus planned to release Medusa via air. With Lena at the rocket's controls, Supergirl begs her not to launch it but the former justifies as she is "a Luthor". While J'onn took on Cyborg Superman, Kara went after the rocket with the virus. As she caught up with it, Lillian Luthor detonated it. With the virus having been made inert, with no risk to any alien, she returned in time to knock out Cyborg Superman and save J'onn. Back at the D.E.O., Mon-El woke, fully recovered thanks to Eliza's reverse engineering of a living sample of the virus. The following day, Kara returned home with a number of bags to find Barry Allen and Cisco Ramon, wishing to have a favor repaid.

Fighting the Dominators and reunion with Barry Allen
Arriving on Earth-1 in order to help against the Dominators, Barry introduced Kara to everyone, before they all trained against her, much to everyone's losses as they realized her near-invincibility. Barry later appeared, telling everyone that because he created Flashpoint, he had screwed up everyone's lives, and asked to not be trusted, instead staying behind with Oliver. Kara and the other heroes arrived at the salt mine where the Dominators were. A trap was set in place, causing them to be mind controlled and turned against The Flash and Green Arrow. With the Flash's quick thinking, he led Supergirl to the salt mine and tricked her into destroying the mind control device, freeing everyone. As a precaution, Supergirl scouted around Central City and made sure there weren't any more of the devices.

Supergirl and The Flash headed to Star City to assist Team Arrow's recruits in taking down Laura Washington, a scientist who stole a completed prototype of a regulator, something the team needed to decode their alien technology. She double-teamed with the Flash and took down Washington in a flashy technique, thus earning the praise of Rene, who had previously despised them. When the Dominators threaten to release on Earth a bomb that would end every meta-humans life along with millions of human lives, Supergirl and The Flash raced around the world planting the device Lily and Martin Stein made that would put the Dominators in excrutiating pain on every Dominators on Earth. When Felicity activated the devices the Dominators were in extreme pain and once Firestorm transmutated the meta-bomb into water the Dominators retreated leaving Earth. After the heroes beat the Dominators, Kara took part to their celebration party and suggests the new President of U.S. of Earth-1 to found their version of the D.E.O., prior to return to her Earth using an interdimensional extrapolator given to her as a present by Cisco to allow her to travel between their universes any time she wishes.

Back to Earth-38
Around a week after returning from Earth-1, a grieving mother came to CatCo seeking help from Snapper Carr on finding her daughter, Izzy, who had disappeared. Though Snapper appeared unsympathetic, Kara eagerly decided to assist. She sought out Maggie Sawyer at Al's Dive Bar, gaining information about a suspicious clinic offering monetary rewards for blood tests. Together with Mon-El, who learned of her quest and decided to help, they investigated the clinic under the disguise of a couple of millennials. Soon they discovered the personnel there are in fact aliens and Kara pursued them through the portal that connects Earth to their planet. Despite being told to get help, Mon-El decided to follow her, however they found themselves stranded on a planet with a red sun and, therefore, are both powerless. While Mon-El wanted to retreat, Kara insisted they press on with the mission regardless. Spotting a fortress which they determined to be the aliens' base of operation, they headed towards it only to be ambushed by a local harmless hermit, Jo, from which they learned they're on Maaldoria, the "Slaver's Moon", a hub of sentient trafficking. Kara and Mon-El were able to infiltrate the slavers' fortress by feigning surrender, and afterwards they encountered Roulette, who was partially behind the operation. They also discovered the missing humans, and with them were soon sold to a Dominator. After Kara had a talk with Mon-El about heroism, the slavers ordered the group to start moving. Kara, despite having no powers, attempted to block them from taking the others, only to be hit with electric shocks. As the slavers repeatedly tortured her with their weapons, the others, seeing her in agony, were moved by her sacrifice and seized the opportunity to disarm the slavers moving together to escape. They were then helped out of the fortress and taken to the portal by Alex and the strike team that she had assembled.

Kara started Mon-El with his hero training at the D.E.O. At that time, Livewire had escaped from prison and Kara is greatly upset about her nemesis being at large. When the police were attacked by two people with Livewire's powers Kara and Mon-El went to stop them. Kara told Mon-El to stay and protect the officers while she fought the Livewires. Mon-El shielded them from the lightning but when he saw that Kara was starting to be in trouble, he left the officers to try and save her. He accidentally deflected a lightning blast to one of the officers but luckily Guardian had been there to absorb most of it with his shield. After the Livewires retreated, they saw that Guardian was really Jimmy Olsen and Kara has a massive fight with him as she disapprove the risk he is taking, however he reminded her she is not the one who decide who can be an hero and angrily leaves. Later Kara confronted Mon-El with abandoning the officers and he defended himself stating that he saw she was in trouble. However, Kara asked if the real reason that Mon-El was doing this was for her, which Mon-El just left her without answering. Later, it was revealed that Livewire had been kidnapped by a scientist to make Livewire soldiers and Kara felt guilty for not having think about it because of their past together. Meanwhile, to prove their value in Kara, with the help of Winn Mon-El and Guardian track down Livewire's copies and the scientist who created them but they're both subdued. Later Winn revealed their location to Kara an she arrived to help free them and Livewire and together the four stopped the scientist and his soldiers. As Livewire was about to kill her former captor, Supergirl moved to reason her not to do it but letting him go to jail insisted, to which Livewire agreed after Supergirl promised not to look for her until after the scientist was locked away, then Livewire left her, promising to return. That evening, Kara told both James and Winn that she had always seen them as heroes even before they became vigilantes and that if they intended to continue she will neither stop nor support them, however they claimed they will not stop. Later Mon-El visited Kara at her apartment and confessed that he remembered kissing her when he was sick. He also told Kara that he saved her during the attack because he cared about her. Though he said that he understood that she might not feel the same way but he asked Kara to still work with him and help him become a hero.

Kara had an awkward conversation at Al's Dive Bar where she attempted to smooth things over with Mon-El while justifying why she didn't like him. After he left, she found Alex and intended to discuss plans to celebrate the day she arrived on Earth to alleviate her stress, however Alex had other plans with Maggie and proposed to postpone the event; despite being visibly hurt, Kara wished Alex a good time. Outside, M'gann confronted J'onn about following her around in different disguises, while J'onn explained it was for her safety against a White Martian attack. That proved to be true in the midst of their conversation as Armek emerged to attack them. Kara arrived outside to intervene and drove Armek away. J'onn decided to invite M'gann to the protection of the DEO headquarters. Kara was present with others in the building when Armek impersonated M'gann and attacked. J'onn sealed the structure to prevent his escape as the group devised means of identifying who Armek may be impersonating next. After a flame test it was revealed that Armek impersonated Winn, and he escaped after a brief fight with Kara and J'onn. J'onn deduced the real Winn must also be in the building, and the group discovered the reactor of the building has been set to explode. Kara alongside Alex searched for the real Winn, and she revealed her feelings to Alex on the way. However it was soon revealed there was a second White Martian, and it has impersonated Alex. Kara was able to defeat this one after a long fight, while Armek was killed by M'gann. The real Alex experienced their conversation through the Martian's telepathic bond and went to Kara's apartment to talk to her. The sisters made peace and celebrated Kara's Earth Birthday together. However Alex also deduced Kara wanted to devote lengthy plans to her celebration to distract away from other emotional stress. After Alex suggests it, Kara eventually claims she has feelings for Mon-El. Under her sister's encouragement, she decides to confess her attraction to him. She encountered him at CatCo the next day, but as she was about to speak to him about her feelings, Mon-El revealed he was on a date with Eve. As the two left, Kara was once again alone feeling disheartened.

Vindication of Lena Luthor and feelings for Mon-El
After Lena betrayed her mother and caused her arrest, Lilian was on trial for her various acts of terror. After learning of this Kara felt like she should speak to her friend in this time of need. She encouraged Lena to visit her mother in prison, which the latter did. Shortly after her visit however, Metallo was secretly given back his kryptonite heart by a Cadmus agent and, during the hearing, after being brought as a witness, Metallo attacked the people gathered at the court. Supergirl intervened but was unable to apprehend either Metallo or Lilian who he helped escape, as Metallo destroyed a nearby crane forcing her to save people instead. As the empowerment of Metallo occurred during the same time as Lena's visit to her mother, suspicions fell on her as the instigator. When video evidence was found of Lena retrieving kryptonite, she was arrested by Maggie Sawyer. Despite all her friends, including her sister and J'onn all believing Lena was guilty, Kara refused to believe her friend abandoned the side of good. This caused a minor rift between her and James, who told her the similar story of Superman and Lex Luthor. While at CatCo, Kara also encountered Eve and asked her about her date with Mon-El. She learned that Mon-El still had feelings for her as during his date he spoke about Kara the whole time.

Upon Kara's insistence, Winn examined the footage evidence and discovered it was in fact Hank Henshaw who retrieved the Kryptonite. Now vindicated in her belief in Lena, she flew to Lex Luthor's mountain base, where Lena was held by her mother. Despite being briefly incapacitated by a sonic device and once more overpowered by Metallo, with the help of Martian Manhunter she was able to rescue Lena from her captors. Metallo's kryptonite heart had become unstable, and despite Kara's pleas for him to save himself, he exploded with the facility.

Lena thanked Kara in her office and their friendship was reaffirmed. Kara also mended her friendship with James, inviting him to a game night. At her apartment that night, she met with Mon-El, to whom she confessed her attraction. At that moment however they were interrupted by Mr. Mxyzptlk, who materialized out of nowhere and proclaimed his love for her. Mxyzptlk immediately conjured and filled Kara's apartment with flowers and a concerto before he quickly told Kara again that he was in love with her. Mxyzptlk banished Mon-El away before he told Kara that he wanted her to marry him before placing her into a wedding dress.

Kara quickly and gently told him that she was flattered but she wasn't going to marry him. However, Mxyzptlk thought she was just playing hard to get and told her that he liked a challenge. She went back to the D.E.O. and learned from both J'onn and Mon-El that Mxyzptlk was a fifth dimensional being with powers bordering on magical. Kara then went off to stop some bank robbers but Mxyzptlk arrived and took their guns away. Then, he quickly had them turn and point to shoot at the robbers and Kara quickly went to save them before they could get shot. Alex then came to see her and seemed to be worrying about Maggie and her aversion to celebrating Valentine's Day with her and Kara told her to try surprising her when they saw that Parasite was attacking the city. She and Mon-El rushed to stop him but it was revealed that he was an illusion conjured by Mxyzptlk to try and show off his powers to Kara. Mon-El then angrily told him that he should just say his name backwards and leave Kara alone and she was surprised that was the way to get rid of him. She then sent Mon-El away to try and talk to Mxyzptlk but he told her that unless she agreed to marry him, he would keep unleashing chaos upon National City. Kara then confronted Mon-El about him not telling her about the whole saying the name backwards thing but he told her that he didn't tell her because it never works as it was impossible to get him to say it backwards as Mxyzptlk wasn't stupid and the best way was to kill him. Kara refused to do that and Mon-El lashed out at her accusing her of loving the attention that he was giving her as well as with his power. Kara tried to come up with a way to try and get Mxyzptlk to say his name backwards but was starting to think Mon-El was right as she couldn't think of a way to do it. J'onn told her that they found something that might work on beings like him but saw that it was missing and she realized that Mon-El took it. She quickly found the two fighting and arrived just before Mon-El could be shot with a lead bullet. She quickly told Mxyzptlk that she would marry him to the surprise of both men. She told him to meet her at noon in the Fortress of Solitude as she wanted to wear her mother's dress. Mon-El later visited her to find out why Kara was doing this and she told him that the two of them wouldn't work as they were just too different. Mon-El then left her apartment before she left for the fortress. Mxyzptlk arrived but was surprised to see her in her suit and not her mother's dress. She told him that she really brought him here to avoid him hurting people when she told him that she wasn't going to marry him. Mxyzptlk became enraged and then animated the ice sculpture of Jor-El to attack her but Kara quickly destroyed it. Mxyzptlk then said that if he wanted to he could send a crack half-way through the Earth and would follow her across the stars until she agreed to marry him. Kara agreed and then went to activate the self-destruct sequence for the fortress which would kill her. Mxyzptlk said that she was bluffing but Kara said she would rather die than let him keep terrorizing the Earth over her. He then begged her not to do it and she then went to show him the override code. He punched it in and stopped the detonation but it was revealed that the code was his name spelled backwards. He realized that she tricked him and was already starting to disappear. He told Kara that all he wanted was for someone to love him but Kara told him that love wasn't control or forcing someone to obey but about finding someone to be free with.

Later, at her apartment, she called Mon-El to see her and she explained that she didn't mean any of the things she said to him. She just wanted to go through with her plan without Mon-El trying to stop her. She told him that she didn't need him to come to her rescue all the time and that she could take care of herself. Mon-El then admitted that he lost himself when it came to her as she had become his kryptonite.

Return of Jeremiah Danvers
Kara asks Mon-El to keep their relationship a secret before going to work at the DEO. Mon-El reneged on their agreement and immediately announced to everyone at the DEO of their relationship. This angered Kara but before she could speak with him about this the DEO intercepted Cadmus movements. Kara and J'onn J'onzz intervened and easily defeated Cadmus forces. As Kara went to inspect their cargo however she was shocked to find her foster father inside. The rescue of Jeremiah was welcome news for everybody. He shared a tearful reunion with Kara, Alex, Eliza and J'onn. He told them Cadmus saved him so he could augment Hank Henshaw, and forced him to continue working for them afterwards. He also revealed Cadmus has constructed a bomb with which they plan to destroy National City. Mon-El had suspicions however and stated it was more than luck they found him.

Kara with her family and friends hosted a dinner in celebration of her father's return, however Mon-El soured the event by once again raising the issue of his return being a trick. Kara angrily evicted him from her house, and Jeremiah saw him out, stating on the way that he knew who Mon-El was, and that Kara will not like the secret. Mon-El would not give up however and tasked Winn with being vigilant. Kara was forced to consider his position when Winn discovered Jeremiah infiltrating DEO systems. She confronted her father about this, to which he admitted and explained he was trying to learn about the time he missed with his daughters. Kara's suspicions enraged Alex, who accused her of not siding with family and being clouded by her new found relationship. Kara by now however has firmly realized something was wrong, reasoning that her father could have simply spoke with them to learn of past events.

Mon-El was proven correct when DEO seemingly located the bomb. As Kara, Alex and DEO forces converged, they found nothing at the location. In the meantime, Jeremiah had retrieved DEO data, defeated J'onn with his cybernetic enhancements, and rejoined Cadmus. Kara and Alex arrived to confront them, however Cadmus sabotaged a train, forcing Kara to save people. Alex, left alone with her father who refused to surrender alive, could not bring herself to shoot him.

Traumatized by their father's return and betrayal, both sisters grieved at home. However Winn called and informed her Jeremiah had taken the Alien Registry, giving Cadmus information on every alien in America. Putting her grief aside, she jumped to action. With Cadmus now in possession of the list, aliens were being abducted around the country. The D.E.O. couldn't track how and where Cadmus was taking them and it was suggested that Jeremiah was helping them stay out of their field of surveillance. J'onn then decreed that Jeremiah Danvers was now a high priority threat to Kara and Alex's discomfort. Kara wanted to try and warn everyone of the danger with an article but Snapper Carr refused to publish it without hard evidence. Kara attempted to get Snapper's help by promising an interview with Supergirl but after speaking to him as her alter-ego, he found that she wasn't a credible enough source as she couldn't reveal anything that tied her to the D.E.O. Later, Alex went to Kara as J'onn had removed her from the case and she asked Kara to talk to J'onn about putting her back on but Kara seemed to believe it was for the best as she was sure that Alex might get blinded by Jeremiah.

Kara ran into Lena Luthor at Catco who was looking for her as they had made plans. However, Kara told her about how Cadmus had taken the Alien Registry and was now abducting the people on it. She also told her of her trouble of getting the word out to warn people and Lena suggested that she try posting a blog about it to try and reach the masses instantaneously. Lena also offered to look into her mother's activities to see if anything popped up. Kara had written her article but was nervous about posting it as she would be acting against Snapper. Mon-El asked if it was the right decision and Kara believed that it would be the best thing to do in order to try and alert people to Cadmus and so she posted it. She then got a phone call from Lena just as some of Cadmus' men were attacking her. Kara flew over as Supergirl and caught Lena as she fell from the building and handled the men. Lena then quickly told her about finding a warehouse that had been recently billed even though it was meant to be defunct which is where she believed Cadmus had taken everyone. Due to Kara's blog, Lillian Luthor moved to act on her plan sooner to take all the aliens they had gathered and banish them from Earth in a space frigate. Alex managed to find the warehouse as well and convince Jeremiah to help her. She stowed away on the frigate and notified the D.E.O. of the ship and they called Kara to help in keeping the ship from leaving the planet's atmosphere where it would then warp away to the other side of the universe. Kara moved to try and keep the ship from getting to the atmosphere but it was proving a little too much for her to stop. Alex tried to stop the thrusters and managed to shut the power down enough for Kara to stop the frigate. When Kara returned to Catco, she was met with an angry Snapper Carr who told Kara that her blog violated her contract. She defended her actions as she had been telling the truth about Cadmus' plot the entire time but Snapper told her that she was only lucky. He informed her that there was a reason why he requested such hard and concrete evidence and sources as one misquote or hole of information could lead to dangerous consequences. He told her that she was fired even though he had been secretly rooting for her. Kara was upset at losing her job and tried to justify that, for now, maybe having her boyfriend and Supergirl was enough.

Mon-El, the Prince of Daxam and Attack of the Music Meister
A transmission came over television from alien visitors demanding Mon-El be given to them. Kara was willing to protect Mon-El and went to confront the ship but they deployed their weapons against her. When she was fully locked on by the ship, Mon-El quickly sent the ship a message telling them that he would surrender to them and they laid down their weapons. Kara asked why Mon-El was surrendering to them and he told her that he wasn't worth innocent lives. Both Kara and Mon-El were teleported onto the ship. The people immediately bowed and Kara was introduced to Mon-El's parents. She was shocked to learn that his parents were King Lar Gand and Queen Rhea of Daxam meaning that Mon-El was the Prince of Daxam. They invited Kara to dinner and she and Mon-El learned that the king and queen had received his message though it was incomplete and had been searching the galaxy for him. They had heard about his exploits on Maaldoria and Kara defended their actions of freeing slaves and fighting slavery though Rhea and Lar Gand argued of their support of slavery and that their treatment of their slaves was always decent. When Mon-El's parents wished to know of how he escaped, he tried to dodge the issue but Kara was insistent to learn the truth. He then revealed of how he had been taken by his guard to the Kryptonian pod that belonged to a Kryptonian emissary. His guard killed the man in anger as Krypton was responsible for the chaos and put Mon-El in the pod to get to safety. Kara then quickly excused herself to go back to Earth and Mon-El followed. Back at the D.E.O. Mon-El tried to explain but Kara was too angry to listen as Mon-El had been lying about who he was to Kara for the entirety of their relationship. She was mad that Mon-El lied about something so big and turned out to be the prince of a planet that was cruel and unjust. Kara tried to find distraction in the fact that Winn was having trouble with his girlfriend Lyra, who apparently set him up in a robbery of a painting. She was eager to try and find her but quickly deflected bringing Mon-El when Jimmy suggested it. Alex pulled her aside and told her that she shouldn't be involved in the case when she was dealing with something that was strongly personal and needed to talk to Mon-El. Kara then admitted that she hated him right now and wasn't even sure who he really was. She was conflicted as Daxam was a party planet because the royal family of Daxam made their people that way to distract them from the oppression they wrought and Mon-El was now a part of that. A moment later, Queen Rhea appeared at the D.E.O. to speak with her. Rhea came to thank Kara for watching over her son but Kara knew that the queen didn't come just for that. She then asked for Kara's help in getting Mon-El to return with her and her husband to Daxam. She claimed that she needed Mon-El to rebuild Daxam and be the face of their people's future. Kara wasn't sure Mon-El would listen to her but Rhea said he would because he was under her spell. She also told her that she was starting to resent Mon-El for being Daxamite Royalty and it was the best for him to return because if he stayed on Earth he would only eventually learn that he wasn't good enough for her. Mon-El soon went to Kara when he tried to explain himself but Kara quickly told him about his mother's visit. She told him that his parents wanted him to return with them to Daxam but Mon-El refused. Kara told Mon-El to forget about them for the moment and take the time to realize that he was no longer the last Daxamite as he got his people, and his parents, back and not many of them get to have that. She told him that he was the prince so he should start acting like one. Later, Mon-El breaks into Kara's apartment in hopes of repairing their relationship. He apologized and claimed he never wanted to hurt her. When asked if he was ever going to tell Kara the truth he didn't answer. Saddened by this, she called an end to their relationship. The next day, the DEO detained a new individual J'onn claims to be an alien. When brought to the DEO lobby, he declared he had been looking for Kara, and hypnotized her with his powers. Then, he stole her interdimensional extrapolator, and escaped to Earth-1 in pursuit of Barry Allen. On the outside, Kara had slipped into a comatose state. As for Kara, she found herself inside a nightclub where she was moved and made to sing on stage.

Unsure of what to do and seeking answers, J'onn and Mon-El travelled to Earth-1 arriving in S.T.A.R. Labs to warn The Flash of the Music Meister. There they met the rest of Team Flash and they agreed to help try and save Kara. However the Music Meister struck shortly after, and induced the same coma effect on Barry. Kara was singing Moon River when she quickly found Barry in the crowd. After she was done, she learned that she was on Earth-1 due to J'onn and Mon-El though she quickly told Barry that Mon-El wasn't her boyfriend when he suggested it. They tried to learn more when they ran into Cutter Moran, who was the counterpart of Malcolm Merlyn. He revealed himself as their gangster boss and demanded that Kara and Barry perform something original for his club. They also ran into Grady and Pablo who were Winn's and Cisco's counterparts and they realized that they were in some kind of musical world. The Music Meister then appeared and told them that he was in the real world and ready to wreak havoc and if they wanted to stop them, they would need to leave this dream world by following the script of a musical. After performing a number for them, he disappeared and they moved off to let themselves be captured.

The two were taken by the men of Digsy Foss, a gangster boss in the dream world that bore the likeness of Joe West. After a brief conversation with Barry in which she told him of her breakup with Mon-El and learned Barry broke up with Iris as well, they were tasked to find Millie, Digsy's daughter, in the likeness of Iris. They found her in an apartment making out with Tommy Moran, son of the man who own the club they "worked" at and Digsy's rival, who to her disgust was in the appearance of Mon-El. Believing the plot required them to help the two imaginary lovers reveal their romance to their parents, Kara went to help Tommy while Barry helped Millie. While explaining to Cutter that Tommy kept his secret for a justifiable reason, she realized the allegory applies to her own situation with Mon-El. After they got the lovers' parents to apparently accept their romance, Kara and Barry didn't understand why they were yet to be freed. They then remembered that Cutter wanted them to perform something original. The two then went on and practiced Super Friend with Grady to try and close out the musical.

However, outside the club, the Moran and Foss' gangs went to war, apparently not truly accepting their children's romance. She and Barry were shot while trying to mediate, and without their powers, laid dying. Mon-El and Iris entered their world with the help of Vibe, and Kara told him she forgave him. They were brought out of the dream world shortly after. The Music Meister stated he did this to them to teach them a lesson about love and how it just wasn't about saving people but letting themselves be saved sometimes. He then left them with that before he vanished. With her and Mon-El on the path to reconciliation, Kara returned to Earth-38 with him and J'onn.

Hunted
A new alien attacked National City the following morning as Kara and Mon-El were sitting for breakfast. Kara quickly flew in and defeated it easily but the DEO recovered a device on the alien indicating that a bounty of 300 Quartz Crowns had been placed on Kara's life. They all realized with the bounty in place, there would be series of bounty hunters and galactic killers coming to National City to take a shot at it but Kara wasn't worried. J'onn and Alex wanted Kara to lay low, arguing that even though Kara could take care of herself, a lot of damage could be done with bounty hunters attacking one after the other. Eventually, her friends were able to talk her down and she agreed to lie low for 24 hours to try and give them time to find who placed the bounty.

Kara had been placed on house arrest with James and Winn though she wanted to head out when she saw trouble on the news though they wouldn't let her. Mon-El then arrived and told them that he questioned his parents to see if they had placed the bounty to convince him to leave, but they denied involvement. Suddenly, Mon-El froze in his movements before he charged for Kara and then started to attack her on a rooftop across from her building. He yelled that he wasn't in control of his body and it was acting by itself. It turned out that a telepathic bounty hunter was the one controlling Mon-El to attack her. Kara held him off until the bounty hunter was surprised and detained by Winn, pretending a stapler was a weapon. They took him back to the D.E.O. but he told them that he wouldn't talk. J'onn interrogated the new attacker with mind powers, and confirmed the bounty had indeed come from the Daxamites.

While Kara was cleaning the mess from the last attack at her place, Mon-El suggested that the two of them run away together off the world in order to get away from his parents but Kara refused to run. Mon-El knew that Kara would say that but didn't know how to stop his mother. Kara suggested she and Mon-El speak with Rhea, believing that they can convince her to understand that he had made his choice and is happy on Earth. Mon-El was against it but she ultimately convinced him to try. The two met with Rhea in the Fortress of Solitude, and following a cold exchange, Kara attempted to reason with her, saying she believed there was kindness in the Queen. Rhea told Kara that anything that Mon-El found on Earth with her was a lie and it was now over. Kara then started to feel weak and Rhea visually drew two kryptonite daggers and stabbed her. Seeing that his mother is intending to kill Kara, Mon-El agreed to return to Daxam in exchange that she be spared.

Kara returned to the D.E.O. and quickly told Alex and J'onn what had happened. She wanted to rescue Mon-El, but J'onn had orders from the President not to engage the Daxamites for fear of an intergalactic war. She appealed to her friends and was able to convince them to help. Winn repaired the portal from Maaldoria to teleport to the Daxamite ship, and J'onn in the disguise of Kara traveled aboard, defeating Daxamite guards and Rhea as he was immune to kryptonite. Winn rescued Mon-El while the real Kara also arrived when J'onn was getting overwhelmed. Lar Gand fought with J'onn while Kara held off Rhea, but being severely weakened by kryptonite she was at a disadvantage. Before Rhea could fatally strike her, Mon-El broke a ship window and the kryptonite weapons were sucked into space. Seeing no point in further fighting and resigning to his son's wishes, Lar Gand ordered the Daxamites to stand down, much to Rhea's anger. Kara and Mon-El returned to Earth.

Reporting again
Kara had come to the D.E.O. ready to fight bad guys but J'onn, Alex and Winn told her that everything in the city was quiet right now. They all left to go do their own things and Kara was left wondering what she would do. She went back home and tried to bake danishes but burned them. She was then visited by Lena who asked her to come with her to a presentation being hosted by Jack Spheer. She told Kara that she and Jack had worked together for years before she moved to National City, and even had dated the final two. However, they broke things off and she was a little nervous about reuniting with him as she felt he was her "kryptonite". Kara agreed to come and report the event for her blog.

When they arrived, she had awkwardly run into Snapper Carr. Snapper sarcastically asked what she was doing there as he didn't know that dotcoms counted as a press pass now. Kara told him she was just there with a friend and tried to snidely talk back to him, unsuccessfully. Jack Spheer then came on stage with his company's CFO Beth Breen and presented his new product: Biomax. He then cut his hand and had the audience watch as his Biomax nanobots move in and heal it. Lena told Kara that she and Jack were working on it for years but it seemed that he had gone on to perfect it. When Spheer called for questions from the audience both she and Snapper were the first ones to stand. She started to ask a question, somewhat hesitantly, which encouraged Snapper to try and cut in on her. However, that seemed to harden Kara's resolve as she then unflinchingly asked if Jack was following the proper health code regulations in introducing the Biomax to National City.

After the presentation, Jack Spheer approached her and Lena. Lena went on to introduce them while also speaking high praises of Kara's work as a reporter thus embarrassing Kara through and through. Jack calls out Kara for hitting him with a hard hitting question back in the Biomax presentation. On her way out, Kara was pulled aside by a man called Joe Watkins. He told her that she was the only one he could trust and that he had information on Biomax and if she was interested then she would meet him later that night. Kara went to the lot where she found Joe waiting in his car and went inside. She asked why was he going to her and he explained that she had warned everyone about Cadmus' plot against aliens so he could see that she wanted to do the right thing. He told her that he worked at Spheerical Industries but had been fired when he had found that there was no records of any of the human trials done with the Biomax. He told her that the Biomax wasn't safe to use and that Jack Spheer was releasing it anyway. Before anything else could be said, Kara heard a noise just before the whole car exploded. She escaped relatively unscathed but Joe had been killed.

She went to James for his and Catco's help in trying to stall the launch of Biomax but Snapper put a stop to it as he reminded Kara that she no longer worked there and couldn't use Catco resources. Kara then excused herself but then overheard Snapper telling James that he had a lead on Biomax and was going to speak with someone that was one of the test subjects. She followed him as Supergirl to the home of Derrick Simmons and listened in on them. Simmons told Snapper that even though he was listed as a test subject and paid for it, he never actually underwent any tests. Before he could say more, Biomax nanobots came into the apartment and attacked them. Simmons was eaten away by the swarm and it then moved to go for Snapper. Kara burst in and froze the swarm with her freeze breath before she took Snapper away before the swarm could break free. Kara went back to her apartment where Mon-El was waiting and she told him about how the source was just eaten by the nanobots and she had no further leads about Biomax. Mon-El then told her that Jack Spheer was having dinner with Lena and she had called Kara to try and help her get out of it.

Kara then took Mon-El to go and get more information. They arrived at the restaurant to the surprise of both Lena and Jack. Lena whispered to Kara that she didn't need her to intervene after all but Kara just replied back with "that's what friends are for" and tried to ask Jack some more questions. Her interrogation failed and Lena asked if she and Jack could be left alone. Kara understood and moved for Mon-El to leave with her. Mon-El gave Jack a goodbye hug before he left with Kara and he revealed that he had swiped his security card so that they could go into Spheerical.

Kara and Mon-El used the card to go into Jack's office and Kara managed to decrypt his password and get into his files. They found that there were indeed no human test trials but did find a separate file that had a video of Jack using the Biomax on himself. His body had fused with the Biomax nanobots which meant that it was him that had killed both Watkins and Simmons. Kara moved to copy the video before she and Mon-El quickly left the office when they heard the Biomax swarm approaching.

Kara went to Lena at her office in L-Corp and told her what she had found out about Jack. Lena couldn't believe it until Kara showed her the video of Jack. Lena then asked if she had told anyone about this yet and Kara said she hadn't. Lena then asked to hold off on it until she found out what was going on with him. However, Kara decided to go over to Snapper and deliver the information she had from Watkins. She then told Snapper that he was right to fire her for going over his head and that she had been lucky with Cadmus but had been so caught up with trying to warn people that she disobeyed the rules. Snapper then shared with Kara that after his source had been killed, he did some digging and learned that the one that signed the checks for the human testers was Beth Breen and if Biomax fails then she would lose everything. With that, she then moved to go to Spheerical where she found that Beth had complete control of Jack and was about to inject Lena with the nanobots to take control of her as well. Beth commanded for Jack to attack Kara and he unleashed himself on her as the Biomax swarm. Lena saw that Kara was in trouble and moved to try and shut down the company's server to deactivate the Biomax, fighting off Beth along the way. She managed to shut the nanobots down but since they had merged fully with Jack, he slowly died in front of both Kara and Lena.

After Beth was arrested, Kara went to Lena to try and comfort her and Lena told her that there was a part of her that was glad that Beth was going to suffer in prison for what happened to Jack. She then wondered if she would end up like the rest of her family as this was how her mother had been like during her brother's trial and Kara told her that she wouldn't. Kara goes on to promise Lena that she will always be her friend and that she will always protect her.

Kara then went to visit Snapper and thanked her for not smearing Jack's name as he had been the victim of Beth's greed. She gave him a Danish that she had finished baking and Snapper then gave Kara a copy of the magazine. He told her to look at the byline and she saw that he had credited her alongside him. Snapper told her that Kara's interview with Watkins had been instrumental in Catco scooping its competitors with the story which is why he shared the byline with her. Snapper then told Kara that she was being offered her job back as Kara kept digging and trying to get the story even though two sources were killed. He told her that Catco needed reporters like that and Kara was happy to accept.

Alex's kidnapping
When Kara learned of a bank heist that had hostages involved, she quickly flew and crashed into the building, taking them by surprise. She quickly subdued them and brought them outside to be arrested. She ran into Maggie who was feeling annoyed that she had just charged in and wasted all the time that she was using to try and reason with them. Kara and Mon-El met up with Maggie at Alex's apartment for dinner. Kara believed that she did the right thing in stopping the thieves before they could hurt any of the hostages but Maggie told her that she was being too reckless. She told Kara that while her methods work on super criminals, many normal human criminals that she was catching were starting to use what was called the 'Supergirl Defense' in order to get through trial. She said that her way of charging in with her powers ended up leaving a giant hole in an architectural landmark and she didn't even ask or look to see if she should get involved. Maggie then warned her that she couldn't punch or fly her way out of everything though Kara believed that Maggie was being a sore loser. Kara then left.

The following day at Catco, Kara ran into Maggie who asked if she'd seen Alex. Kara had believed that she had stayed over with her but Alex had apparently tried to catch up to try and talk to Kara after she left and hasn't been seen since. She also told her that Alex hadn't checked in with the D.E.O. either. Kara then got a call from Alex's phone but when she picked up, a mystery voice answered and told her that he knew she was Supergirl and had Alex. He told her that Alex would die in 36 hours if she didn't break a man named Peter Thompson out of prison. The two went to the D.E.O. but they were unable to track Alex's location and couldn't find any leads on where Alex could've been taken to or by whom. Kara, Maggie and J'onn went to the prison to visit Peter Thompson to find out if he knew anything. Thompson claimed to not know anything about who would want to have him freed but Kara angrily demanded that he tell them what he knew. J'onn then told Kara to calm down and dismissed Thompson as he had read the man's mind and found that he was telling the truth. Winn then called and found that visitor logs and surveillance footage show that Thompson had a son called Rick Malverne and he found where he lived. Kara recognized the name as an old classmate of her and Alex from Midvale and quickly flew there. She found surveillance of Alex in full display and quickly found Rick. Kara told him to let Alex go but Rick told her that he wouldn't do that until she broke his father out of prison like he wanted.

Kara took Rick back to the D.E.O. where he was then interrogated by both Kara and Maggie. Rick revealed that he knew Kara was Supergirl from back in Midvale when she had saved that mother and child from the car crash. He remembered it and Kara from before she wore glasses and when Supergirl showed up in National City, he had put all the pieces together and knew it was her. He told them that he had been watching them and preparing for all of this for a year. Kara asked what had happened to Rick, as she remembered that he was a nice person that had a crush on Alex, and he told her that he really had a rotten childhood with an abusive mother. He then had learned about his father Peter who had then taken him away from Midvale and always did what he could to take care of him and even helped to send him to college. Maggie pointed out to him that Peter killed two people but Rick said they deserved it and if they wanted Alex back then Kara had to free his father within the next 24 hours. He then let them speak to Alex and she told Kara to not do what Rick wanted as Supergirl was bigger than her. When they managed to find where the signal was coming from, Kara quickly moved to get to Alex though Rick told Kara not to go there. Kara then flew over but found that it was a decoy and it triggered a trap that made the holding area where Alex was start to fill with water, cutting her time to only four hours.

Kara was then approached by J'onn and she told him that she was scared and felt powerless. She then admitted that Maggie had been right and there were things that not even she could punch or fly her way out of. They then noticed that Maggie was gone and she had went off to the prison to free Peter Thompson herself. Kara quickly flew there to stop Maggie and tell her that she couldn't do this. She then tried to reason with Peter and tell him what his son was doing. She told him that despite what he had done, he had been a good father to Rick but if he killed Alex then he would never get back from it. Peter then told the two where he believed that Rick had taken her. They went over there and found that Alex's cell was full of water and Kara quickly went and broke through it to get Alex out. They were relieved to find that Alex had used her training to try and buy them more time to find her. Alex was then taken back to the D.E.O. where they learned that J'onn was going to wipe Rick's mind of Supergirl's identity and the D.E.O. Alex agreed and then punched Rick in the face to the amusement of Kara and her friends. Maggie then thanked Kara for stopping her from making a mistake but Kara told Maggie that she merely reminded her of what she had told her before of not always being able to charge in with her powers and that she had been right. Then they shared a hug.

Daxamite invasion
Kara met with Lena for lunch where she revealed that she was working on a new energy project and she was hopeful that it would work soon. She wished Lena luck before she got an alert of an alien attack in the city. An alien with telekinetic powers was running amok and had started throwing people and vehicles about she moved in to save some of the people. Her actions were seen by James, who was starting to feel unaccomplished as Guardian. When Jimmy found the son of the alien from the attack, Marcus, he brought him to Catco to try and find his mother. However, Marcus started to act bizarre and started to unleash his power much like his mother did earlier in the city. Kara then moved to take Marcus away so he wouldn't hurt anyone and found that he had been in some kind of pain. They learned that Marcus was a Phorian and could be affected by energy shifts in the atmosphere. Kara remembered that Lena was working on a new energy project and went to call her but was surprised when Rhea picked up the phone.

Kara warns Rhea to not hurt Lena though she explains that Kara hurt her first when she turned her son against her. Rhea then tells her that everything that is about to happen will be her fault before she hangs up on her. When the D.E.O. tracks another energy shift, Kara, J'onn and Mon-El go to the source in order to confront Rhea. The source of the shifts was a transmatter portal that Rhea had tricked Lena into building for her. At first, Kara attacks Rhea but then she moves to try and shut down the portal. However, Rhea had rigged it to be self-sustaining and Kara tried to find a way to turn it off. J'onn tried to stop Rhea while Kara went to stop the portal but she used a device that she picked up from the White Martians to render him catatonic and experiencing psychic pain. Nothing Kara did worked and she then saw ships begin to emerge from the portal by the hundreds. They were Daxamite ships and were answering a call from Rhea to help her conquer Earth as she took Mon-El and Lena with her to her flagship.

Kara headed for the D.E.O., which was under attack by Rhea's forces. Alex had jumped out of the balcony as she was fighting the Daxamites and Alex caught her before they headed to Al's Dive Bar as their fallback spot. Kara met up with Winn and James, who had tried fighting some of the Daxamites in the streets. Maggie also found her way to the bar and told all of them that the police had been overwhelmed. Kara guessed that her cousin was on his way, if not already in National City to help them though Maggie said she didn't see him while she was out there. She then saw that J'onn was still out from the device that Rhea had used. They were then visited by Lillian Luthor and the real Hank Henshaw. She took a moment to tell them that her predictions had come true and she wanted to save her daughter from Rhea. They offered an alliance to stop the Daxamites but Kara and the others refused to work with her.

Winn then picked up a signal from Air Force One that signaled that President Marsdin was on her way to National City. She, Alex and Winn then watched as she and Rhea heatedly negotiated with one another as well as threatened. Kara was then surprised to see that Cat Grant was with the President. When they picked up activity from Rhea's ship, Kara flew off to the plane just moments after Rhea had attacked it. She managed to catch Ms. Grant as she was thrust out though they believed that President Marsdin was lost. The two of them became shocked when they saw her rise from the rubble, in an alien form. She took them back to Al's Dive Bar where Kara learned how Cat had ended up with the President and who Marsdin really was. Marsdin informed them that there was a special cannon at the D.E.O. that could be used to bypass the shields on Rhea's ship and destroy it. Kara told her that they couldn't as Rhea had both Mon-El and Lena with her but the Marsdin told her that it was an order. Kara went off to think about what to do, whether to obey the President or save her friend and boyfriend. She ran into Ms. Grant and told her about her trouble. Cat told her that having loved ones is everything and it wasn't wrong to want to fight to keep her loved ones safe as it gave them all a strong reason to fight. Kara thanked her for the advice and flew off to agree to the alliance with Lillian and Henshaw.

Lillian's plan was to use a portal that was stored in the Fortress of Solitude to sneak on board the ship and rescue their loved ones before leaving and allowing Alex and Maggie to use the D.E.O.'s positron cannon to destroy her ship. The two of them and Henshaw managed to get onboard and Kara was able to take out any Daxamite guards they ran into. As they looked through the ship, they bumped into both Mon-El and Lena who had escaped and were trying to leave themselves. They then went off to the exit point but only Lillian, Lena and Henshaw had been teleported out of the ship. Kara however had anticipated that Lillian might double cross them so she had Winn place an override chip on Henshaw to take control of him and make him reopen the portal for them. When it did, Kara told Mon-El that she wasn't going as she had to try and reason with Rhea to stop though he tried to tell her that his mother wouldn't listen. Kara told him to leave and they shared one last embrace before he headed back. Kara then went to the throne room and confronted Rhea, telling her that it was now over. However, Rhea wasn't moved or worried as the cannon had been destroyed and she told her she wouldn't sway her to stop. She then revealed that it was she that killed her husband and Mon-El's father so her words were meaningless to her. Kara was then surprised by a sneak attack and looked up to see that it was her cousin.

Kara was surprised that Clark would attack her but Rhea explained that he doesn't know its her. Her cousin had come earlier to stop Rhea and she had poisoned him with Silver Kryptonite. Now he can only see her as General Zod and hear her pleas to him as his threats to conquer Earth once and for all. Kara and Clark started to battle as she kept trying to find a way to reach him. Their fighting spilled into the streets of National City. Kara was finally able to beat and subdue Clark but the strain of the battle caused her to collapse. They were found by Alex and she took them to the Fortress of Solitude to recuperate. When the Kryptonite was out of Clark's system, he had apologized to Kara but was also awed with the fact that she had defeated him. Kara tried to brush it off as him not being in top form from the Silver Kryptonite but Clark insisted that it didn't weaken his strength at all and he had been fighting as hard as he could. They then went to try to find something in the fortress' archives about the old wars against Daxam and they found a tradition that they felt would give them a chance to stop the invasion.

They all returned to the D.E.O. to find that they had managed to reclaim it from the Daxamites. Kara learned that J'onn was still unconscious. They then shared what they found in the fortress, the Daxamite right of Dakkum Or but Mon-El quickly said it was a bad idea. When they saw that Rhea was launching another attack, Kara quickly contacted Rhea and issued Dakkum Or, a trial by combat. Should Kara defeat Rhea then she and her army must leave Earth. However, should Rhea beat Kara then she and her invasion will be allowed to commence without their interference. Mon-El tried to talk her out of it, even arguing that her cousin fight in her place against Rhea, but Clark stepped in and told Mon-El that Kara had beaten him which makes her the champion for Earth. She then asked for Clark to help her train for the fight. As they trained, Kara wondered if she really was able to defeat Rhea and Clark argued that she could. Kara then confided that she was scared as she now had everything she could ever want, great friends, a great job and a boyfriend and she was scared of losing it all. Clark told her that those things were the reason that she would win because she had earned them all and wouldn't allow for any of them to be taken away. Kara and Clark then went to see Cat Grant in getting her help to keep bystanders away from Rhea's fight with Supergirl so as not to have anyone get hurt. Ms. Grant also asked if the two of them would help her talk with James as she had learned that he was Guardian and wanted to talk him out of it before he got himself hurt.

The two of them were then contacted by Lena and Lillian Luthor and asked to come to L-Corp. They arrived to find that the two of them had a device that Lex had been working on. It had been designed originally to disperse a trace quantity of Kryptonite into the atmosphere with the purpose of making the Earth uninhabitable for Kryptonians. Lena had taken and modified it to disperse lead instead so as to make the planet uninhabitable for the Daxamites. However, if it was used then it would expel all Daxamites from the planet, including Mon-El. The two of them returned to the D.E.O. with news of the device and Mon-El told them that if they had to use it, then they will. Kara argued that they wouldn't need to use it if she beat Rhea. Mon-El told Kara that he would go with her when she faced his mother.

They arrived at the rooftop where they agreed to have the battle and Rhea arrived with her guard. The two of them began their battle but Rhea quickly called for her army to begin attacking the city, violating the rules. Kara told Mon-El to go and protect the city while she stayed to deal with Rhea. Rhea goaded Kara into attacking her which Kara did and it revealed that Rhea had laced her blood with Kryptonite. Kara was weakened and beaten down by Rhea until Mon-El arrived with the switch for Lena's lead device. Kara gave one last look at Mon-El before she activated it, dispersing lead into Earth's atmosphere. The Daxamite army quickly fled along with every Daxamite ship, stranding both Rhea and Mon-El. Rhea quickly succumbed to it and Mon-El left his mother to her fate as Kara had told him about how she had murdered her father. Mon-El was starting to suffer under the effects of the lead as well and Kara quickly brought him to his space pod. Kara then gave Mon-El her mother's necklace for him to remember her by. They shared a tearful goodbye as his condition worsened. Once in pod he was able to safely leave Earth behind.

Kara was off on the terrace of the D.E.O. where she was joined by Clark who told her that he was going to head back to Metropolis. He told Kara that he was humbled by her selflessness as he didn't think he would be able to do the same had he been in her position. He told her that she was stronger than he could ever hope to be. Later, at Catco, she went to see Cat and confided that for the first time. Cat told her to not give up on herself just as Kara heard that there was an emergency. She then made an excuse to leave and didn't hear Cat call her Supergirl.

Struggling with her human identity
Kara pours all her energy into being Supergirl and begins to struggle with her duel identity as Kara Danvers and Kara Zor-El. Her struggle led Kara to quit CatCo and the DEO as well as push away everyone she holds dear, even Alex. Alex finds Kara in her apartment where she says Kara Danvers is a mistake and almost completely rejects her human side. After a break in to steal a piece of Daxamite technology, she unofficially returns to the DEO to help stop the culprit, known as Bloodsport and flies solo to catch him. Before Bloodsport attacked the Girl of Steel statue unveiling ceremony, J'onn catches her on the roof and talks about his own experiences with a duel identity. After stopping the submarine attacking the ceremony, she re-joins CatCo and stops pushing everyone away. While still struggling to cope, Kara begins to recover from her loss. Soon after re-establishing her life, she goes up against the psychic Gayle Marsh who traumatises Kara with her psychic powers forcing her to live her greatest fears and worst memories of leaving Krypton and being stuck in the Phantom Zone for so long with no one around as well as her fear that Mon-El is dead after she sent him away after seeding the atmosphere with lead. This goes so far as to cause her to feel claustrophobic when Gayle wasn't around. Eventually, her and the DEO catch up with Gayle and with some help from Alex, she rises above her fear and takes Psi down.

Soon after defeating Psi, Kara travels to Mars with J'onn to aid M'gann in the 'resistance' of Mars when the resistance finds M'yrnn J'onzz in a White Martian prison. They soon learn the White Martians seek the Staff of Kolar, a psychic weapon that could destroy the resistance. After J'onn fails to get his father to believe it is him after so long in prison, Kara approaches M'yrnn and convinces him that J'onn truly has returned to Mars. With M'yrnn's help, the resistance retrieve the Staff of Kolar and give it to Kara and J'onn to take to Earth and keep safe as it is too powerful for anyone to wield.

Back on Earth, with some help from Samantha Arias when she receives a leaflet from a cult member. The leaflet leads her to find a cult dedicated to her filled with the ones she had saved in her years as Supergirl. Led by Thomas Coville, the cult taught distorted teachings of Rao. Soon, Kara stops a disaster set by someone wanting to join the cult and when she confronts Coville as Kara, Coville instantly sees through her secret identity. Coville then attempts to destroy a theatre with thousands of people in hope Supergirl would save them so he could recruit them. Instead, Kara finds Kryptonite in the bomb and while exposed cut herself to prove she is not a god. Coville's followers abandon him and Kara overcomes the Kryptonite to use her heat vision to dig a hole for the bomb to detonate far underground.

When children start to come down with lead poisoning, including Ruby's friend, Morgan Edge blames Lena for building the device that seeded the atmosphere with lead in hope to bring her down. Kara helps investigate for Lena in order to prove her innocence as well as protect her from those who seek revenge on her for the lead poisoning. By tracking the movement of all those poisoned, Kara and Samantha investigate a swimming pool where they find chemicals that when mixed with water mimics the properties and effects of lead, including blocking Kara's X-Ray vision. After hearing this, Lena goes to confront Edge but is knocked out and placed on a remote control cargo plane filled with the lead mimicking chemicals heading for open water. Kara saves Lena from the crashing plane despite the very real possibility of losing hold of the chemicals but she manages and prevents the chemicals being dropped in the water.

After Alex and Maggie break up, Kara borrows J'onn's ship in the form of a car to take Alex home to Midvale where she tries to help Alex begin to get over the break-up which is difficult after what she put Alex through after losing Mon-El. Overnight, she remembers the first case they solved together and by morning, she is using Kenny's telescope to remind Alex of who they are together. The two finally reconcile and return to National City with Alex driving, as Kara is a "dangerous driver" listening to "The Sweet Escape".

After finding a crashed spaceship in the bay, J'onn, Kara and Winn investigate to find Mon-El on board. After taking him back to the DEO, he tries to escape and Kara puts him in a cell, not sure whether to trust him now. Eventually, Kara takes Mon-El back to the ship where one of the stasis pods malfunction and start killing the occupant. Kara helps to break open the pod and finds Mon-El's wife, Imra, inside. After learning the truth, she begins to regress back to her pre Bloodsport state.

Crisis on Earth-X
Kara and Alex spent their night together in Kara's apartment, drinking wine and missing their former relationships. They agreed that now was their time to sulk, cry, get fat, and be sad. Alex saw an invitation to Barry Allen and Iris West's wedding on the kitchen island and asked Kara about it. Kara stated that she wasn't planning on going due to her recent break-up. Alex agreed with her sister, and joined her on the couch. Kara then decided that she was done sulking, and grabbed her Interdimensional Extrapolator out of her dresser and used it. When Alex asked, she stated that they were going to the wedding. In the morning, they could be seen going throughout Earth-1, with Kara flying as Supergirl and Alex on her.

Later, Kara participated in the pre-wedding tradition, such as getting her nails done with Iris, Caitlin, and Felicity. However, due to her super-strength and Kryptonian genes, she ended up damaging the nail file. She lied and stated that she took a lot of keratin, and the other girls chimed in to support this.

At the rehearsal dinner that night, Kara and Barry talked about Alex drinking with Sara, and Kara stated that no one could drink Alex under the table. She briefly explained that her sister had just gone through a break-up, with Barry understanding. He then asked bout the lack of Kara's plus one, Mon-El. She told him what had happened. They talked about Kara accepting that she was not human and that love just wasn't for her. He disagreed with her viewpoint, and told her that he just convinced Oliver that he could have love, and now he had to convince Kara too. He then asked her to sing at his wedding the next day, which she agreed to.

Kara then spent the night Joe West's house with some of the other wedding guests. She slept on the floor in the living room, and was seen sleep-flying, which Felicity thought was cool. Later that day, she waited outside of the church for her sister, Alex. When Alex walked up, Kara instantly questioned her about where she was and scolded her for disappearing on a strange Earth. Alex was clearly hungover, and lied to Kara about what she was doing the night before. Sara then walked up and asked Alex how her butt was, as she heard her fall out of bed that morning, and Alex awkwardly stated that she was fine. Both girls didn't quite remember each other's names, and once Sara left, Alex looked embarrassed at Kara. Alex then felt bad for what she did, and compared herself to a dirty guy, with Kara telling her that she wasn't. She was a healthy, single, lady and there was nothing wrong with what she had just done. The pair then walked into the church together and took their places, with Kara standing at a microphone as she would sing shortly.

At the wedding when the Nazis attack, she joins the rest of the heroes in protecting the non supers and fighting off the soldiers as well as Prometheus, Dark Arrow and Overgirl, fighting Overgirl above the city. In the sky she manages to injure Overgirl and return to the church where she thunderclaps and forces the rest of the Nazis as well as Dark Arrow to retreat where Prometheus is captured.

After Dark Arrow, Overgirl and Reverse-Flash steal a sunlight generator, the team at S.T.A.R. Labs track the evil trio down via Overgirl's huge solar signature. Kara joins Oliver and Barry in fighting the trio where they learn the identity of Dark Arrow and Overgirl as Oliver and her own doppelgangers from Earth-X. As Barry races with Eobard, Kara aids Oliver in fighting their doppelgangers learning of their relationship in the process. The evil trio escape and are tracked again to a warehouse. Half the heroes at S.T.A.R. Labs, including Kara head to fight the Nazis but in the process, Dark Arrow infiltrates S.T.A.R. Labs and captures the last of the heroes imprisoning them in the Particle Accelerator. Kara is returned to S.T.A.R. Labs for a heart transplant with her dying doppelganger while the other heroes at the warehouse are taken to Earth-X. Iris and Felicity, who remain free, attempt to free Kara but are stopped by Mettalo-X.

Just as the surgery was about to begin, the captured heroes from Earth-X return and face off against Mettalo while Oliver faces Dark Arrow to rescue Kara. all the heroes, including a recharged Kara, convene on the Waverider to fight off the Nazis and reclaim their world. While several heroes fight the Nazis and destroy the Nazi Waverider, the Wellenreiter, Kara takes on her doppelgänger until Overgirl begins to detonate. To save the city, Kara flies Overgirl out of the atmosphere but is knocked out by the force of the explosion but is caught by Earth-1's Man of Steel, Nate Heywood, forming a crater in the process.

Facing Reign
After returning from Earth-1, Kara finds that Reign has been terrorizing National City by burning the worldkiller symbol into L-Corp buildings across the city. In the end, Kara decides to be proactive and burns her own symbol into the top of CatCo. Reign answers the call and flies to the rooftop, but before Kara leaves, Alex stops her. Although she'd been trying to get Kara to embrace her humanity, this new threat scares her, and she asks Kara to be a cold, hard alien for this fight.

On top of the CatCo building, Kara sees Reign, who's legitimately hard to recognize as Samantha with the face-obscuring mask, altered voice, and requisite dark lipstick. Reign announces that she's from a time before fathoming, born to cleanse the scourge and deliver the awakening. Too many people on Earth have eluded judgment, so she's there to dispense it, and she orders Kara to stand down.

Kara declines this offer, and they launch into a fight that interrupts a Christmas party. As the revellers cower, the two women whale on each other, with lots of swinging blows. Then they fly onto a tanker where Reign whips shipping containers at Supergirl before landing in the middle of a National City street. Supergirl tries to warn people to stay back, but Reign brains her with a chunk of concrete-studded rebar, creating a nasty head wound.

Then she tosses a flaming car door at Kara and uses heat vision to blast her onto a nearby rooftop. By now, Kara's bloody and sporting a black eye. Reign announces that Kara's no god, and she's no devil. Instead, she's truth, judgement, and death, and with that, she lets Kara fall off the edge of the building. Kara plummets to the ground, before slamming into the concrete below in a way that looks fatal. “Is she dead?” asks some child in the crowd. The team races Kara to the DEO, where Alex and the paramedics frantically work to revive her as the rest of her friends watch and worry.

Post-Reign
Kara is taken to the Legion ship where she is placed in a medical pod by Brainiac-5. Brainy also connects with her mind in order to help Kara recover both physically and mentally, especially after she wouldn't wake up after being healed. While stuck in her dream world, Kara and Brainy talk about her issues to try and help her break through the blocks keeping her in a coma. With his help she eventually wakes up and aids in fighting Reign at Alcatraz, injecting Reign with concentrated Kryptonite forcing her to retreat.

Investigating Reign
After fighting Reign, Supergirl begins investigating Reign's origins in Kryptonian mythology and find potential information in Jindah Kol Rozz, a dark priestess imprisoned in Fort Rozz, now orbiting a blue star which would strip her of her powers on the prison where prisoners run rampant. She therefore recruits Imra, Livewire and Psi to help protect her and find the information she needs, unable to take the men as blue sunlight is toxic to them. Reign follows the quartet in her ship and confronts Kara on Fort Rozz, killing Jindah after telling Kara there are three Worldkillers. Psi helps to protect Kara using her telepathy to incapacitate Reign allowing Kara to escape and the quartet to undock from Fort Rozz and return home.

Taking Down Morgan Edge
When Lena was poisoned, fingers were pointed at Morgan Edge after he was almost killed in a car crash. Kara risked her identity as she flew, as Kara (not Supergirl), Lena to the DEO, where Lena was stabilized and was returned to CatCo before she woke up. At a party later hosted by Morgan, Kara helped Lena bypass security guards so she could confront him and record a confession. When Lillian Luthor's drone attacked Morgan out of revenge for Lena, she aided in protecting the party before Lillian showed up with Kryptonite. Despite the Kryptonite, she fought Lillian in the air while Lillian was wearing the Lex-o-suit laced with Kryptonite. Meanwhile, Mon-El and Winn hacked the drone and the suit to shut them down. With Guardian's help, the recorder with the confession was reclaimed after Morgan stole it in the confusion.

Purity
After defeating Morgan Edge, Winn found several people who were potential worldkillers. Kara identified Julia Freeman from a vision she had. She and the DEO converged on her house where Julia's worldkiller persona emerged. The DEO managed to subdue her and took her to a cell to contain her, where she was interrogated by both Kara and Alex. While Kara tried to appeal to her human side, Alex refused to see the good in Julia after what Reign did to Kara. Julia eventually escaped confinement and ran from the DEO after taking a crystal Winn retrieved from her house. Kara gave chase and foumd her in the subway, where she managed to get Julia to re-emerge. but was unable to prevent Reign from taking her when Julia gave herself up in exchange for the lives of innocent civilians nearby.

Winn's Mother
At Winslow Schott Sr.'s funeral, Winn's mother Mary returned to try and reconnect with her son. While there, the coffin exploded, to which Kara quickly changed and protected the attendants from the explosion, taking Mary back to the DEO for protection. When flying monkeys attacked the DEO and tried to kill Mary, Kara helped destroy the monkeys and, in the process, found that large, heavy, melee weapons were effective. When Mary discovered a clue as to who was behind the attacks, she took a gun from the armory to face the culprit and was captured. Kara helped to rescue Mary.

M'yrnn's psychic bleeds
After the discovery of M'rynn's dementia, M'rynn began to use a Martian process to preserve his memory but the decay and strength of his powers caused psychic bleeds that began to affect another psychic alien, who went on a rampage. M'yrnn was transported to the DEO in hope of protecting others from the bleeds but another happens, affecting many DEO agents, as well as Kara, who lashed out at Mon-El while he trained her on cape tricks. Eventually, she faced what was inside of her, unlike what M'yrnn accidentally did, and talked it over with Mon-El in hopes of resolving her inner conflict.

Pestilence
After birds dropped from the sky, Kara and the DEO attempted to track down Pestilence but not before people began to get sick at an office building in the city. Kara, Alex, Winn, and J'onn investigated the sickness where Alex and Winn were also infected. Before Winn fell ill, he found a possible culprit but when Kara investigated, she found Imra with the suspect dead. While there, Kara found scratches on her similar to other victims of the illness, making her human. Through further investigation, the DEO found Grace Parker MD to be the worldkiller, Pestilence, and Kara went after her with Mon-El and Imra, who injected Pestilence with a virus that was engineered to kill her before Purity showed up. Imra retrieved the vial with Pestilence's blood which Brainy used to find a cure for the Pestilence virus. The cure saved Alex, Winn, Kara (who was infected in the fight) and everyone else infected.

Soon after Purity saved Pestilence, the two convened on L-Corp where Sam was being treated of Reign by Lena. Kara, Mon-El, and J'onn raced to save Lena where they found Sam in holding. The other two worldkillers helped Reign escape and the three disappeared in a blue light.

The Worldkiller Trinity
After the worldkillers escape, Kara took Lena back to the DEO for questioning about how she contained Sam. After revealing her use of Kryptonite, Kara's faith in Lena was broken, to the point that she even requested James to break into L-Corp to see if Lena had more Kryptonite. When the worldkillers brought around an eclipse, Kara had Brainy send her, Lena, and Alex into the Dark Valley. In the valley, the three fought off Kryptonian demons and found Sam and Julia. They helped Sam regain control but this sent Reign into the valley with them. Reign attacked the three and almost killed Lena, but Brainy pulled them out after receiving a signal from Sam. She then flew to the Fortress of Sanctuary with the Legion, Alex, and J'onn to stop the worldkillers.

In the fortress, the heroes faced off against the Kryptonians with Supergirl facing Reign, just as the eclipse came around. She lost her powers and was injured by the still powered Reign but managed to convince Julia to take back control of herself. Julia fought off Reign and Pestilence leading to Purity and Pestilence killing each other. This ended the eclipse, restoring Kara's powers. She flew out with her allies before the fortress collapsed.

Reign hunts Ruby
After Lena learnt of Reign's plans to kill Ruby, she approached the DEO to inform them of Reign's intentions and where she has placed Ruby when she found out who Sam was, Lex's mansion. To protect another target, Sam's mother, Kara, and J'onn headed to Sam's home where they lured Reign in the hope of capturing her but instead, Patricia got killed and the duo discovered that Reign now had the power of all three worldkillers. Lena then approached Kara with her homemade Kryptonite, supercharged to deal with Reign. Later, Kara was seriously angry with her, demanding she turns over Kryptonian elements and the formula. The two squared off about Kara being so afraid of one thing that can kill her while humans are in danger everyday.

After Ruby tried calling her mother, Reign heard the call and headed straight for the Luthor mansion where she attacks Ruby and Alex, who was sent to protect Ruby and keep her company. Kara, J'onn, and Mon-El raced to the mansion with Lena's kryptonite to stop Reign. In the fight, Kara talked Reign out of killing Ruby, using her own moral code against her. This distracted Reign enough to allow Mon-El to crush the kryptonite into bullets and to shoot Reign with a machine gun, incapacitating her and taking her back to L-Corp.

The fourth worldkiller
While Lena searched for a cure for Sam, Kara was approached by a member of Coville's cult, who now worshipped Reign, with the Book of Rao that may have information to stop Reign. In the book, she read about Yuda-Kal and the Haren-El and after visiting the cult's deserted HQ, they found what appeared to be a nuclear blast shadow but eventually realized that the cult was trying to make a new worldkiller. Mon-El volunteered to be kidnapped by the cult in order to locate them. Once he sent a signal, Kara flew to the base and found another cult member becoming a worldkiller. She fought her off but was unable to remove the Harun-El as it is toxic to her, causing her heat vision to mis-fire. However, she managed to reverse the process of the worldkiller creation and restored the cult member to normal.

Taking the Harun-El to Lena in hopes of making an antidote for Sam, Lena found the rock has no power now but with Winn's help, more Harun-El was tracked to a meteor 5 light years away. Kara and Mon-El borrowed and rode J'onn's ship to the meteor where they found a city on the surface.

Krypton's last fragment
Kara and Mon-El were shocked to track the rock's radiation signal to a domed city. And not just any city, but Argo City, Kara's hometown. They “borrowed” cloaks from an open-air market to blend in. But Kara wasn't thrilled that she had to be in disguise even there. Mon-El told Kara that he can just be himself in the future, with no secret identity as a Legionnaire, yet it was still exhausting. Then, Kara was overwhelmed to encounter a familiar face: her mother Alura, who was equally gobsmacked that her daughter is still alive.

Alura explained that they sent away Kara and Kal-El before they knew that the dome would save the city from Krypton's destruction, and since then, Harun-El, the black rock they seek, has made the newly inhospitable atmosphere livable for the Kryptonians in Argo City. As such, giving Kara even the small piece she needs to stop Reign would shorten the moments of breathable air for the people of Argo City, hence requiring the High Council's permission.

While they waited for the Council to assemble, the two women spent time getting to know one another and apologizing for assuming the other hadn't survived. Kara was thrilled to see a Dar-Essa flower, which used to be in her room as a child. She filled Alura in on her adoptive family, the crash of Fort Rozz, and the eventual fate of Astra and Non. Alura identified Fort Rozz as one of her many mistakes.

Then they're called before the High Council of Argo City, which counted in its membership the dark kryptonian seen in Reign's visions unknown by anyone, where Kara presented her case to the Council. She convinced the Council that humans have similar ideals to Kryptonians and are being affected by the sins of Krypton which included Reign. The Council voted in favour of helping Kara, including Selina, the dark kryptonian. Kara and Mon-El then took the Harun-El back to Earth just as Reign escaped.

Kara and Mon-El fought off Reign while Lena continued to finish the antidote. Mon-El injected Reign with the antidote which split Reign and Sam in two. Reign disintegrated and Kara protected Sam's modesty with her cape.

Home sweet home
After the supposed defeat of Reign, Kara decided to return to Argo City. The D.E.O. and CatCo had a farewell party for Supergirl and Kara, respectively. Mon-El came with Kara, hoping to find help returning to the 31st century using Argo's artificial gravity to bend space-time. While there, a building began to crumble onto Kara. She escaped with her life and saw someone fleeing the scene who she later saw while at dinner. She confronted her suspect who claimed she had nothing to do with it. Kara's childhood friend Thara vouched for her. While everyone else put her accusation down to her being on guard due to her time in Earth, Mon-El believed her and gave her his Legion ring so she can fly.

In a garden later, Kara was attacked with Mon-El and flew up to see her suspect from the building fleeing. She captured the suspect who revealed that she is a dark priestess and Selena is their high priestess. Kara then found that J'onn's ship was missing, stolen by Selena and two other dark Kryptonians.

The Children of Juru
The Children of Juru, also known as "Kryptonian witches" or "the dark Kryptonians", have finally revealed themselves trying to revive Reign on Earth, while Kara, Mon-El and Alura investigated Selena's home on Argo. In the house, a hologram of Selena relayed her message, explaining that she actually needed Reign and Samantha separated, as Sam was too strong for Reign to fulfill her purpose fully. The house then exploded, but all three made it out safe. Kara realized that Selena must have had another way off Argo if she didn't return with J'onn's ship, and Alura took Kara to Zor-El's lab, where the two found a waygate. Using the hologram of Alura to contact Earth, Kara sent a message to Winn to help get the D.E.O.'s portal device linked to theirs. However, before Winn could activate his portal, the dark Kryptonians attacked the D.E.O., wanting Purity and Pestilence's blood to restore Reign with. The heroes used the Alura hologram to trick a Kryptonian witch into activating the portal, after which Kara, Mon-El and Alura rushed through to join the fight.

Winn retrieved the blood and tried to protect it with help of Demos, who ended up killed by three strikes of heat vision, but not before giving the blood to Kara. Kara attempted to destroy the blood with her own heat vision but it splashed onto Selena. Selena then left the premises and used the blood to revive Reign, and together the Children of Juru have begun the terraforming. In the D.E.O., Kara and Alura determined a way to defeat Reign, using Samantha and a fountain in the Dark Valley to give Sam the power to destroy Reign. Kara then helped to send Sam to the Valley before heading out to protect the city from the effects of Reign's terraforming together with J'onn, Mon-El, Alura, James and Alex.

Ending Reign's reign
As J'onn and M'yrnn tried to stop Reign's terraforming, Kara helped her super friends to protect the city from the earthquakes. Out at sea she freezed a tidal wave with help from Imra and Brainy, who have returned from the future. Once frozen, she said to Brainy "You're all clear kid. Now lets blow this thing and go home", but was appalled to find out that nobody has shown Brainiac 5 a "single Star War". Once M'yrnn bonded with Earth, the terraforming stopped and the city was safe. The D.E.O. then received a distress call from J'onn's ship, set off by Thomas Coville, who was betrayed by the dark Kryptonians, and started to converge on their new Fortress.

With J'onn, Alex, Alura and Mon-El fighting the Kryptonian witches, Kara took on Reign, but was overpowered before Samantha arrived to take down her counterpart. Sam stabbed Reign with the Sword of Juru, after which Kara has thrown her into the cauldron, but in her dying breath Reign's heat vision killed Mon-El, Alura and J'onn. Using Mon-El's Legion ring, Kara flew into a time disruption to turn back the clock, and then used the Harun-El to send herself, Sam She was ordered by the prisoenrand Reign to the Dark Valley, where Samantha defeated her Kryptonian shadow self safely, using the water from the fountain that gave Reign her strength to begin with. After defeating Reign, Kara decided to stay on Earth and helped to throw a goodbye party for Winn, who chose to take Brainy's place in the Legion's new quest to stop Brainiac 5's distant relative, who has resurfaced in the 31st century with an ability to control all tech, making it too dangerous for Brainy to live in without becoming compromised by his relative's powers. Kara then decided to stay on Earth, and bid an emotional goodbye to her mother.

After Kara went back in time, the Harun-El reacted by producing a trail of smoke that went over Siberia, creating a copy of Kara.

Full-time protector of Earth
Kara becomes the temporary full protector of earth when Clark goes to visit Argo City.

At CatCo, James congratulated Kara on asking President Marsdin the tough questions at a press conference and Kara revealed that James might be charged by the National City DA for revealing himself to be Guardian.

Supergirl later responds to an alarm in which a duo of criminals attack an alien worker and cut the tusks off of his arm so they can use it to access a secure facility on the lab they're in. However Kara is  quickly stopped by new-age technology the two brought with them and is subdued. Brainy quickly arrived to Kara's aid and freed her but by the time Kara flew back up the criminals had already escaped.

later J'onn arrived at the crime scene and Kara revealed to him that the attackers entered the lab to steal one of the facility's EMP weapons.

At CatCo Kara was in the elevator when a nervous worker ran in named Nia Naal, a new reporter at the organization.

Kara soon gets a call from Brainy who tells her that the DEO has positive identification on the robbers — siblings Otis and Mercy Graves. Brainy informed Kara that he knew an associates of the Graves' — Lillian Luthor. Kara visited Lillian in prison, where her daughter Lena is currently visiting. There, Kara found out that Mercy had previously been the head of security for Luthor Corp under both Lex and Lillian.

Kara arrived to speak with J'onn when an alien support group  meeting up for another session at the bar was attacked with explosives. Although the latter insisted that the two attacks so far were connected Kara did not agree however and believed both were horrible coincidences.

Alex and Kara later got together for dinner and the latter noticed her sister stress eating. Alex revealed that Brainy was stressing her out at work, to which Kara mentioned that she's also fighting with J'onn after their prior disagreements.

Brainy called Kara with the location of the Graves' operation and Kara instantly flew to the site at the warehouse. There Kara uncovered much to her horro multiple computers with various chatrooms pulled up — each having various people talking about how they want to kill all aliens. She also uncovered plans that the Grave siblings drew up about attacking President Marsdin's alien summit at Camp David.

Kara visited J'onn and told him he was right about a large anti-alien movement building and informed him that there was an attack planned on the President. J'onn refused to help out, however taking a passive stance on the issue in honor of his father. Disappointed Kara flew off to the White House to try and convince Marsdin to cancel the summit.

Not wanting to cave to fear, President Marsdin refused to cancel the summit. Instead, she ordered Kara to work with the DEO and Secret Service to ramp up security around Camp David during the summit.

Kara hovered above Camp David when an EMP flew in and disabled all of the electricity. From the DEO, Brainy was quickly able to restore electricity, but Kara noticed two DEO agents knocked out in the woods. The Graves had entered the facility disguised at DEO agents.

The Graves tried attacking the president, but Alex thwarted the attack. In a pursuit with the Graves, Kara was only able to capture Otis — who's quickly apprehended and taken to the DEO.

The next day Kara and J'onn grabbed a drink at the bar and forgive each other. As They were talking a news report came across with footage of the assassination attempt on President Marsdin. The news footage revealed Marsdin's true identity as an alien.

Fired from the D.E.O.
Kara was ordered by president Baker to reveal her identity as an American citizen due to the demands of the public, so the service of unidentified alien agents would not affect his approval ratings anymore. Kara refused, since it would endanger the lives of her close ones in case her enemies discover this information. In response, Baker fired Kara from the D.E.O., the president also gave orders to colonel Lauren Haley to start an investigation regarding Supergirl's secret identity. After finding out that information, Haley threatened to conscript Kara into military service involuntarily, but was taken out by Alex Danvers and mind-wiped by J'onn J'onzz.

Possible future
Supergirl was involved in the events of 2024 when the Flash fought Reverse-Flash before disappearing from the timeline. However, based on various witness claims, there are contradictory versions of the events (whether the Flash was assisted by Supergirl and the Atom, or a team of Green Arrow, Batwoman and Elongated Man).

Fighting Cicada
At one point in a future Nora West-Allen hails from, Kara was among the heroes Team Flash called to their aid to try to stop Cicada, but failed. However, in the new timeline, in which Orlin Dwyer (and later Grace Gibbons) took up the mantle of Cicada instead of David Hersch, Team Flash was able to defeat them without Supergirl's aid.

Personality
As a child, Kara was very curious as she learned as much about an alien species and cultures as possible, she also looked up to both of her parents, believing them to be heroes (unaware of their true natures at the time), upon Krypton's destruction, she was devastated by the destruction of a home world and the death of most members of her family.
 * -|As a civilian=

As a teenager, Kara did not get along with her adoptive sister, Alex Danvers (at the time) this was due to Alex's arrogance, immaturity and unfairly blaming her for Jeremiah's apparent death, Kara once stated to a friend Kenny Li (prior to his death) that she has lost people she cared about, but she does not go lashing out on the entire world or blaming others for her problems.

As an adult, Kara is kind, caring, selfless, intelligent, brave, and has a sense of justice, honor and good morals, however, when she makes mistakes, she feels guilt and remorse for her actions. She is also a dedicated reporter, willing to go to any lengths needed to solve a story and put away the bad guys.

"We can't let bad odds or whatever it is we're afraid of stop us from doing what we know is right."
 * -|As Supergirl=

- Supergirl to Brainy

Due to her being a new superhero, Kara unfortunately does not have the confidence that her cousin Clark Kent possesses. She is sometimes short-tempered and sometimes lets her emotions get the better of her. But after being a hero for a year she gained more confidence in herself and her abilities and get a better grip on her emotions out on the field.

Kara is very forgiving and willing to give people several chances hoping to help her aunt Astra find redemption, though ultimately didn't get the chance because Alex killed her when Astra almost killed J'onn. However, despite her adopted sister killing her aunt Kara chose to forgive her. She is also willing to look past Lena Luthor's ties to the Luthor family seeing her as her own person, whereas many are unwilling to look past her relation to Lex Luthor.

Despite her living on earth for some time she has a great understanding of other races and their culture in the universe.

While under the influence of red kryptonite, Kara became very cruel and heartless, as she threw Cat Grant off a building, tried to kill Alex and attacked many civilians; as she displayed no guilt or remorse for these vile acts of hers. After being freed from the red kryptonite's influence Kara became very sad and regretful of her actions (tearfully telling Alex she was sorry).

Despite loving her parents as a child, since becoming Supergirl, Kara has learned much more about the people they really were and has become quite disgusted and enraged with them. She learned that Alura used her as a means to arrest Astra for her crimes which ironically were an attempt to save Krypton, as Alura was one of the many who refused to accept it's impending fate, this made Kara especially resentful towards her mother, though she soon considered that her mother believed that the alternative of using Myriad to control the populace was unethical and an action not worth taking, but not to the point of defending her mother's unspeakable actions, she also learned that father, Zor-El developed the Medusa virus as a means to kill all lifeforms other than Kryptonians, as a means to defend Krypton from invasion; the more she learns about her parents' true natures, the more Kara feels ashamed of being their daughter. Kara eventually forgived her mother, after discovering she was still alive, and realizing that she repented her inaction. She also ultimately forgave her father after learning of his sacrifice to ensure Krypton could still exist.

Kara has a good and loving relationship with her adopted parents; Jeremiah and Eliza Danvers, although she addressed them by their first names instead of as "mom" and "dad". She was devastated when her adopted father had apparently died and was happy to later discover that he was alive. Despite her affection, she had no blind spot for her adopted father, because her biological parents had betrayed her in the past.

Kara has also shown loyalty in her friends; for example, when everyone else thought Lena broke her step-mother out of prison she refused to believe that she was guilty, also when most members the Legends, Team Arrow and Cisco Ramon didn't trust Barry after he altered the timeline, Kara, Oliver Queen, Jefferson Jackson and Martin Stein still trusted him, mainly because said teams members and Cisco were all being hypocritical; as Kara would have done exactly the same thing Barry did, if she was in an emotional state and not thinking clearly. Kara also cares deeply about her friends and family and will do everything she can to help them or cheer them up when they are sad, and save them even if it risks her own life to do so.

Kara is willing to die for her adopted home world and that she is willing to do what needs to be done to save it, whether it's sacrificing her own life, giving up her own happiness, or even regrettably killing someone.

On this last point, Kara generally follows a strict "no-killing" rule which has led to some friction with allies who feel deadly force is necessary, such as opposing Imra Ardeen intent to kill the Worldkillers. She has, however, been willing to take lives in extreme circumstances. For example, she gave Parasite one more chance to stand down and give up, but he was too far gone and, after seeing how dangerous he was and not having the means to contain him, she had to overload him with so much energy that it destroyed him. Another example is when Rhea broke her promise to leave the planet and began to destroy National City, kill the population, and threatened to annihilate the rest of the planet, with Mon-El's blessing, she turned on Lex's device filling the Earth's atmosphere with lead which made it impossible for all Daximites to be able to survive on Earth. This killed Rhea and forced her to bring Mon-El, the person whom she was in love with, back to his pod that brought him to Earth and leave the planet, seemingly forever with her mother's necklace to keep him safe wherever he went.

After she sent Mon-El away during the Daxamite invasion, Kara became sheltered and distracted, as she was delving into her Supergirl persona. This created a riff in her personal relationships, and she started to fall behind her in her job and relationships. Kara has also given up on the idea of finding love and her perfect partner, as she believes that since she isn't human she is above those emotions. But after a while she began to get over Mon-El and return to her old happy self again. Despite this, Kara has also accepts the fact that she is a Kryptonian and never will be human.

Additionally, Kara is accepting of people, as seen when she accepted her adoptive sister for being a lesbian, she later accepted the fact that Mon-El is married to Imra Ardeen and the two will possibly never be together again. She also continued to be kind to Imra despite her pain.

Kara keeps her civilian identity a secret from the public (knowing that if her identity is known to the public, it would put both her family and friends' lives in danger from her enemies) after Phil Baker, the new president of the United States selfishly ordered her to reveal her civilian identity to public, so it would not affect his approval ratings anymore, when she (rightfully) refused, he wrongfully fired her from the D.E.O..

Even after Kara discovered that the reason why her cousin, Clark Kent doesn't work with the government because of their secret experiments on alien life, she still continued to work for the D.E.O., however, since been fired from D.E.O., Kara has started seeing the corruption of the government, as her opinion is slowly starting to match Clark's, who doesn't trust the government in general and refuse to work for any government organization for good reason.

Powers
"I'm not going to hide. I'm the Girl of Steel. I don't bend. I don't break. I don't stand down for anyone."

- Kara Danvers


 * Kryptonian physiology: Normally, like all Kryptonians, Kara's capabilities are no greater than a normal human of her physical conditioning. However, once charged by the energy spectrum of a yellow sun, she becomes able to perform various inhuman feats. While generic for her race, having grown up half of her biological life with these powers have allowed her to use these abilities with far greater control and an equally greater level of raw power compared to other Kryptonians.
 * Solar energy absorption: While Kara's powers are dependent on the energy spectrum from a yellow sun, her body is able to constantly and passively absorb such energy while exposed to it, essentially keeping her reserves fully charged near-constantly. Direct exposure to the light of a yellow sun will also accelerate her recovery from any injuries she does manage to sustain. Also she can quickly regain her full power by small sun radiation like during nighttime on Maldoria and even in Master Jailer's prison despite powerful red sun radiation just small amount of yellow sun radiation makes her godly powerful despite presence of red sun radiation.
 * Accelerated healing factor: Kara's metabolism is tremendously enhanced by solar energy, allowing accelerated healing abilities and burning calories at a superhuman rate, making her practically immune to becoming fat or obese. Upon being struck by an alien war hammer which penetrated the skin of her arm, when the piece was removed she healed instantly. She often enjoys the luxuries of eating a variety of foods without fear of becoming obese.
 * Contaminant immunity: Kara has an immunity to all forms of disease and contaminants on Earth. However, despite being unable to being inebriated or intoxicated by drugs or alcohol from Earth, she has shown herself to have a particularly low tolerance to alien alcohol. Pestilence magic venom additionally wasn't that effective and Kara compared to other aliens.
 * Flight: Kara is able to manipulate her own gravitational field to generate thrust and propel herself through the air, often at hyper-sonic speeds, much faster than she can travel by foot. In early carrier in less than minutes she flew from National City to Chicago. Kara could fly on her own from Kaznia to National City very quickly. Was moving around Earth twice in a second. She was flew very fast, according to D.E.O. map, during kryptonite contamination. As such, she is able to levitate and fly past Earth's atmosphere and near the planet's orbit. James once described her as being even faster than Clark. Also she blitzed all dominators across planet in Earth-1 where all of them saw rushing taxis as statues.
 * Sleep flight: Kara has the ability to float in the air, thanks to her ability of flying, while she sleeps.
 * Levitation: Kara can levitate using her flight abilities.
 * Heat vision: By concentrating every solar energy reserve she has in her body, Kara can emit blue energy beams of variable intensity and temperature from her eyes. Due to her control over the beams, she has demonstrated being capable of burning through stone and welding metal, causing small explosions and fires, disintegrating meteors, melting very deep in the ground while weakened drastically by kryptonite and physically repelling enemies with similar durability making it useful in combat. At full power, the beams could overload a target with energy, as it did to Vartox's axe and Red Tornado, as well as potentially damage highly durable enemies, as she was able to use it to leave Non blinded (frying his eyes) and seemingly unconscious when she overwhelmed his own heat vision. However, she has personally utilized it for more mundane uses, such as heating up beverages and cooking food. The color of this heat vision has been changed to purple after Red Daughter merged back with her. But the color has changed back to blue after the battle with Lex Luthor. She also with solar flare shattered 3 meters Schwarz's radius black hole
 * Invulnerability: Kara is essentially invulnerable to all Earthly weapons, with bullets simply ricocheting whenever they come into contact with her skin. She is immune to most forms of extreme punishment, as seen when she was completely unaffected by attacks with the A.T.O.M. Exosuit, and Mick Rory's Heat Gun. She also was able withstand the Flash's lightning despite it having knocked out both Firestorm and the Atom though this might be because it was not all directed at her. Caitlin Snow even stated that Kara was "invincible" while she was mind controlled into fighting Barry. However, her near immunity to damage and outside forces did not protect her from the Dominators' mind control device, which forced her to mindlessly turn against her allies. Her invulnerability was put to the test when Overgirl exploded into a supernova (which was about to destroy at least entire Midwest) at point blank range, and Kara was sent plummeting back to the ground, but survived, showing no physical damage. However, her invulnerability, while incredible, can be broken. She can be overwhelmed if she fights beings of equal or even superior strength, such as when she fought Superman, as her cousin's feral attacks were able to stagger and exhaust her to unconsciousness, and later Reign, who was able to make her bruise and bleed badly during their fight. Also she can withstand Red Daughter's attacks, as well as her magic plasma blast which created an unnatural anomaly of turning day into light.
 * Extreme heat resistance: Kara feels no pain when exposed to extreme heat, as shown when her shirt caught fire after the Flash caught her as she fell out a window and (accidentally) sped her out of National City, and she was able to extinguish the embers on her shirt by casually patting them. This was also shown when she didn't flinch at the heat of Mick Rory's Heat Gun and removed a hot pan from her oven with her bare hands. Or in early career could casually block nuclear beam from Reactron. Also resisted magic fire of fiery well from Fortress Sanctuary
 * Self-sustenance: Due to the effects of a yellow sun, Kara's physical needs are greatly reduced.
 * Atmospheric adaption: While Kara does require oxygen, her physicality and exposure to a yellow sun allows her to survive while inhaling more harsh forms of it such as the thin, highly CO2-concentrated, atmosphere of Mars.
 * Reverse photosynthesis: Kara is capable of draining solar energy from plants even without a direct source of light, as seen after being brutally beaten by Red Daughter, allowing her to use the solar energy she absorbed from her surroundings to heal.
 * Super vision: As a Kryptonian, Kara is able to see very far distances, presumably at peak human or low superhuman levels. She is even able to see clearly in the dark.
 * X-ray vision: Kara has the ability to see through objects, except for lead.
 * Freeze breath: Kara is able to exhale powerful gusts of air from her mouth which are similar to force winds. She can also cause the temperature of her breath to drop, therefore able to freeze nearly anything.
 * Super hearing: Kara has super-sensitive ears that can perfectly pick up sounds from miles away and even through structures.
 * Super speed: Kara possesses the ability to move at hyper-sonic speeds, both through flight and on foot. Once she started to actually use her powers in a less restrained way, she was easily able to move at even greater supersonic speeds to the point where she could almost catch up with a tachyon-enhanced speedster like Barry Allen, though it is worth noting that Barry could then with tachyon enhancement, and can now without tachyons, easily go fast as Mach 13 whereas Kara's top speed peaks just over Mach 7. She commonly uses her speed to appear and disappear faster than people can notice, as well as to somehow change in or out of her Supergirl suit in seconds.
 * Accelerated perception: While using her super speed, Kara sees everything much slower; allowing her to move with precision and accuracy within very fast moments.
 * Super reflexes: Kara's reflexes are so fast, she can respond to attacks within seconds.
 * Time deceleration: When Kara and the Flash ran around the Earth in opposite directions at just over Mach 7, they were able to generate enough centrifugal force to slow the Earth's rotation, along with time itself.
 * Super strength: Kara's strength is enhanced under a yellow sun, enough to easily kill a normal human if she were to attack them directly. After embracing her powers as Supergirl, Kara's true potential started to manifest, allowing her to stop a train moving at Mach 1 or lift over a million tons of condensed star material. While not limitless, the extent of her super strength is undetermined; making her among the strongest terrestrial beings in the known multiverse alongside her cousin Clark Kent and J'onn J'onzz. Despite her strength, Kara still must physically exert herself when fighting other super powered beings of similar levels of strength and durability, such as other empowered Kryptonians, as well as to lift or press objects or structures that are larger than herself, such as planes or ships. She was also able to throw Fort Rozz at speed capable of reaching distance needing 12 233 years for message bottles arrive ( knowing technology already is MTFL+ in communication between planets/galaxies ) to another star system in 1.5 years, and could stop the Exodus ship, which was capable of reaching the other side of the universe in an instant. . Also can rip apart pods able to survive massive meteor shower of Krypton's remnants or Krypton's massive explosion. Can without trying just bullrush through Legion Ship which withsttod all underground Earthquakes for 13 000 years
 * Thunderclap: When Kara uses her super strength to clap her hands together, it creates a powerful shock-wave that throws enemies back. Even as teenager accidentally she broke small cliff. It also destroys glass, pushes objects away from her and disorients anyone nearby.
 * Super jumping/leaping: Kara is able to jump several feet off the ground and leap several stories in a single bound without having to fly. Even as a child, she was able to leap onto a crashed car several feet away, and when trying to fly again after several years, she was at first only able to jump upwards two stories before shooting skyward. While fighting Alex Danvers, who was controlled by Myriad and wearing a Kryptonite-exosuit, both she and Alex jumped several stories into the air while attacking each other.
 * Superhuman stamina: Kara can run, fight or fly for long periods of time, without getting tired. Her stamina is even greater than that of his cousin, Clark's, as she was able to defeat him in their confrontation (when he was under the influence of Silver Kryptonite at the time) due to Kara outlasting him in terms of intelligence and strength and stamina.
 * Extended longevity: As a Kryptonian, Kara's life span is considerably longer than a normal human and likewise ages much slower.
 * Telepathy immunity: Kara is immune to most forms of telepathic powers, even from someone as powerful as J'onn J'onzz, but not from the Dominator device or Psi.
 * Power bestowal via electricity: If Kara is holding a person while electrocuted by lightning, her Kryptonian physiology allows her to affect the person, giving the person strange abilities; for example, Leslie Willis got her powers from Kara when the latter was struck by lightning when touching Leslie.
 * Abilities via Legion Ring: When Kara and Mon-El visited Argo City, Kara was given Mon-El's Legion ring.
 * Flight: The ring has been seen to enable Supergirl the ability to fly when not exposed to a yellow sun through unspecific means. It seems to be activated through a telepathic suggestion, as no thoughts or movements were taken to activate it.
 * Telepathy immunity: With the ring, Kara has a much stronger resistance against telepathic powers then her natural immunity.
 * Oxygen independence: The ring can allow Kara to breathe in space.
 * Time travel: Being able to survive in space allows Kara to travel through time if she finds a temporal disruption in space.

Abilities

 * Genius level intellect/Skilled tactician/Leader:  Due to growing up in an advanced civilization, Kara has vast knowledge about other alien species as well as their abilities and heritage. On Krypton, Kara was a studious, hardworking child, spending hours studying Kryptonian history. Kara easily excelled at advanced high school level math and sciences on Earth, even boasting to Alex Danvers of knowing Calculus by the age of 4. Kara also has to carefully calculate how much force to use in her powers so she doesn't hurt/destroy someone/something. Kara can inspire people to be the best that they can be and sometimes even convince criminals to do the right thing without resorting to violence.
 * Eidetic memory: Kara seems to have an eidetic memory, able to recall everyone she had ever saved when investigating the Cult of Rao.
 * Expert investigator: Since becoming a reporter, Kara proved to be an effective investigator with strong instincts. She was able to connect the disappearance of Izzy Williams to a string of missing persons cases regarding a clinic. Kara also (correctly) believed that Lena Luthor was framed for delivering Kryptonite to Metallo and was able to discover Beth Breen's plan involving Jack Spheer's Biomax technology.
 * Skilled engineer: Kara has displayed familiarity with Kryptonian technology, which is much more advanced than technology of Earth.
 * Multilingualism: Kara is capable of fluently speaking English and Kryptonese. She also knows some Kaznian-dialect Russian as well as French and Spanish.
 * Singing: Kara has shown to be a talented singer, able to pass as a lounge singer in Music Meister's movie musical reality. Her skill impressed Barry Allen to the point that he even asked Kara to sing at his wedding.
 * Dancing: Kara is a talented dancer, particularly in ballroom and tap, as seen in Music Meister's reality.
 * Expert hand-to-hand combatant: Since joining the D.E.O., Kara has been taught by Alex to better handle herself in battle against opponents with formidable powers of their own, including using their own momentum against them. Ultimately, even with her powers temporarily disabled, Kara has become a highly trained combatant, able to compete against the more experienced Alex and Astra. As years progressed, her combat skills continued to improve, allowing Kara to hold her own against Indigo and defeat Maxima in their first battles. Her proficiency in combining combat skills with her raw might became great enough to even defeat her cousin, Clark Kent in one-on-one combat and even fight on par with Rhea while weakened by Green Kryptonite. Kara was able to fight evenly with Reign for a while, though was ultimately overwhelmed due to the latter's superior strength. After being trained by Mon-El, Kara has started using her cape in combat.
 * Meditation: Kara is familiar with Kryptonian meditation designed to strengthen one's mind, which she used during her ordeal with Gayle Marsh/Psi.
 * Indomitable will/High tolerance for pain: Kara is a very determined individual and never gives up on trying to protect Earth. She has a remarkable tolerance for pain, as even when weakened by Rhea's Green Kryptonite-laced blood, Kara was able to resist and keep fighting Rhea. With Alex's help, Kara was also able to overcome to Psi's psychic attacks. Kara was also able to conceal some Kryptonite on her person despite the pain, which she used to incapacitate Reign.

Weaknesses

 * Kryptonite: Like all Kryptonians, even while empowered, Kara is vulnerable to the exposure of Kryptonite, a radioactive mineral from her home planet Krypton. Depending on the nature of the said Kryptonite, it will cause a different adverse affect on her;
 * Green Kryptonite: Green Kryptonite not only physically hurts Kara, but also it weakens her physical attributes; making her equivalent to that of a normal human. If exposed to enough green kryptonite for too long, it will eventually kill her.
 * Red Kryptonite: If exposed to Red Kryptonite, it gradually destroys Kara's inhibitions and turns her into a corrupt version of herself. Left without morality, compassion, rationality, or any cares whatsoever, Kara will become malevolent and prone to hostility and aggression, making her a danger to everyone around her.
 * Silver Kryptonite: If exposed to Silver Kryptonite, it will cause Kara to go in a deep and frightful hallucination where nothing from the outside world can stir her out of it until it leaves her system.
 * Harun-El/Black kryptonite: It is only poisonous in touch, but not really that dangerous in specific circumstances. However it can be used to poison badly kryptonian if sb makes appropriate serum, give humans kryptonian lvl stat even on Supergirl lvl, copy body, evolve kryptonians
 * Red sun energy: Kara is powerless when exposed to the energy of a red sun.
 * Blue sun energy: Kara is powerless when exposed to the energy of a blue sun.
 * Solar energy depletion: Using her powers to its maximum for an extended period can significantly drain her solar energy to the point where Kara loses all of her powers and is rendered more human-like for at least a day. This renders her as weak as a human - allowing Kara to get injured, sick, and killed like one.
 * Claustrophobia: After being trapped in a space pod for over two decades, Kara developed a fear of confined spaces and often struggled with claustrophobia when she first arrived on Earth. When incapacitated by Psi's psychic attacks, Kara's worst fears manifested in form of claustrophobia, to the point that she even experienced a panic attack in a CatCo elevator. Later on, when Earth's atmosphere was filled with Kryptonite, Kara was forced to wear a confining, protective suit; upon awakening, she immediately began to panic and was not able to breathe until Alex calmed her down.
 * Power-dampening tech: Just like with any other alien, Kara's powers can be dampened by technology specifically designed to weaken her powers but even though it's dampening her powers she can still use her powers but at a much weaker degree.

Equipment

 * Supergirl suits: Kara wears a protective suit as her super-heroine alter-ego, Supergirl, to hide her identity from her enemies when out fighting crime. It was designed by her friend, Winn Schott. While it is unknown what materials the suit is made from, it is just as durable as Kara, having only been pierced by alien technology; such as Vartox's axe and Kryptonite. Kara notably is able to change into her suit in seconds with her speed, usually keeping it underneath her civilian clothing. The suit includes a cape; although not initially considered necessary, Kara soon discovered the cape aided her in maneuvering while flying. Later, Mon-El taught Kara how to use the cape as a defensive weapon in hand-to-hand combat.
 * Legion ring: While living in Argo City, Kara was briefly given Mon-El's Legion ring. After defeating Reign, Mon-El gave Kara the ring so she can call the Legion if she ever needs help.
 * Lead-based glasses: As a teenager, Kara was given a pair of lead lined glasses by Jeremiah Danvers to help her control her X-ray vision. She continues to wear them as an adult to hide her identity as Supergirl.
 * Interdimensional extrapolator: Kara was given an interdimensional extrapolator as a present by Cisco Ramon. The device can create small breaches to allow travel between Earth-1 and Earth-38 anytime Kara wants to. It also has communication functionality that can allow contact between universes.
 * Yellow sun grenade: Kara brought a yellow sun grenade to Shelly Island to boost her powers and retain them because the island had power dampers.
 * Protective suit: After Mercy and Otis Graves contaminated the Earth's atmosphere with Kryptonite, Kara donned a protective suit designed Lena Luthor to help her survive. Once Lena and Querl Dox purified the Kryptonite from the air, Kara no longer required the suit. However, she still uses it when traveling into space. It was later added to her original suit so every time she was up against kryptonite she could use it.

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Trivia

 * Kara Danvers is physically 25 years old at the start of the series. However, due to her being 13 when she left Krypton, spending 24 years in the Phantom Zone (frozen in-time), and the next 12 years on Earth hiding her powers, Kara is chronologically 49 years old at the start of the series.
 * Kara first arrived on Earth in the year 2003, given that the show starts in 2015 and it was noted by a Fort Rozz prisoner that they had been hiding on Earth for twelve years. ​​​​ takes place on Thanksgiving, and during, which appers to have taken place in December since took place on Valentine's Day, and Kara celebrated her 13th Earth birthday. Therefore, she probably landed on Earth around December 2003.
 * Kara is the only main protagonist in the Arrowverse who doesn't originate from Earth-1, but from Earth-38. She is also only hero not to have a suit made by Cisco Ramon.
 * Had 3 on-screen love interests with James Olsen and Mon-El. Plus a brief fling with Adam Foster.
 * Winn Schott had romantic feelings for her, but the attraction wasn't returned & he eventually moved on. Additionally, Sara Lance, Mick Rory, & Mr. Mxyzptlk were all in some measure attracted to her.
 * Kara has had at least four ex-boyfriends prior to the start of the series, whose noses she accidentally broke while attempting to kiss them from her enhanced strength.
 * Kara loves to eat pot stickers, sticky buns from Noonan's, fried sugar pastries, pizza, and her adoptive mother Eliza's lasagna. Her favorite dessert is Eliza's homemade chocolate pecan pie.
 * Has visited 12 different planets, aside from or in addition to Earth and Krypton.
 * Enjoys the TV shows Homeland, Orphan Black, Game of Thrones, and The Wire.
 * Received her first cell phone when she was 16.
 * Her go-to drink order at Noonan's is a pumpkin spice latte with extra foam, sprinkled with cinnamon.
 * Normally wakes up at 6:45 a.m.
 * Because of Kara's singing, Alex jokes she puts the "Kara" in karaoke.
 * Kara is fond of romantic comedies and musicals, and has seen Working Girl multiple times and still cries at the end. Her favorite musical is The Wizard of Oz, but she hates opera.
 * Considers Funny Face to be "the most romantic movie ever", is a fan of the Star Wars franchise.
 * A fan of the famous 90's boy band, NSYNC. & her "OTP" are Justin Timberlake & Britney Spears.


 * Kara is one of seven ​​​​​​​​​​​ characters to appeared on ​​​​​​​​​​​, including; Mon-El, J'onn J'onzz, Eve Teschmacher, Alex Danvers, Clark Kent, and Lois Lane. While Alex appeared with her on ​​​​ and ​​​​.
 * In Smallville, Kara was attracted to Jimmy Olsen when meeting him in season 7.
 * In the Pre-52 comics, Kara dated Brainiac 5 as they both were members of The Legion.
 * According to John Deegan, who used the Book of Destiny to become Earth-1's Superman, Kara doesn't have a Earth-1 counterpart. Kara also realized her sister's Earth-1 counterpart had never met her, and her pod possibly never made it to Earth-1.
 * However, Harry Wells stated that Krypton exists in every universe. This implies that Kara may have died in Krypton's destruction in Earth-1's history.
 * Despite not existing on Earth-1, her existence is known to the general public, and her symbol is recognizable enough to be depicted on T-shirts and as a featured character (impersonated by Sara Lance) in the TV commercial "Trinity" performance for the opening of Heyworld theme park.

Behind the scenes

 * Kara Zor-El debuted in Action Comics #252 (May 1959) as the cousin of Superman, who was rocketed from Argo City before it's destruction. She later died in the Crisis on Infinite Earths (October 1985) event. Kara was later re-introduced into the DC continuity in Superman/Batman #8 (2004). She was created by Otto Binder and Al Plastino.
 * In a nod to Brandon Routh's previous role as the title character in the 2006 film Superman Returns, Ray Palmer made a brief remark about Kara resembling his cousin, during the events of the ​​​​​​​​​​​ crossover.
 * The event of Supergirl losing her powers was called a "Solar Flare" by James Olsen, as he stated Kara's cousin, Superman, also called it this at times when he depleted his powers. In Superman #38, part of the New 52, it is revealed that Superman's heat vision is a precursor to a power also called a "Super Flare", in which Superman release a large explosive force of his solar energy from his entire body, which leaves him depleted and the equivalent of a human for 24 hours.
 * In the comics, Supergirl has used several aliases for her civilian identity including Kara Kent, Linda Lang, Claire Connors, and most famously, Linda Lee Danvers, who was later adapted to be a separate character altogether. Supergirl's name on the show, "Kara Danvers", is a combination of some of those aliases. The is the first instance this particular name has been used, though it was later incorporated into the comics.
 * ​​​ marks Kara Zor-El's third live-action appearance, having previously appeared in the 1984 film Supergirl (where she was portrayed by Helen Slater), and Smallville (portrayed by Laura Vandervoort). Both of those actresses have appeared on this show. 
 * Kara's skill in singing is a nod to her actress Melissa Benoist's role as Marley Rose in the musically-centered series Glee, where she worked with Grant Gustin, who plays Barry Allen on ​​​​. The two were also cast together in the musical episode ​​​ on ​​​​ in third season.
 * Kara's original character is a teenager in the comics and is as such more often depicted throughout media, while she is a young adult in the series. However, the Linda Danvers version of Supergirl was a young woman as well.
 * In this adaption of Supergirl, Kara has a lot more in common with her cousin.
 * She works at CatCo Worldwide Media as a reporter, just like how Clark (Kal-El) works at the Daily Planet. The only difference is that Kara was initially an assistant to her former boss Cat Grant before becoming a reporter for editor-in-chief of CatCo Magazine, Snapper Carr.
 * These elements were likely taken from the Sterling Gates-Jamal Igle run, in which Kara assumed a civilian, nerdy-like attire (as Linda Lang) and worked at the Daily Planet along with her "older cousin" Lana Lang. Cat Grant was a recurring character in this run.
 * Leslie Willis/Livewire would insult Supergirl on her show. Kara accidentally gave her electric powers during a helicopter accident and Livewire became a frequent foe of hers. Similarly, in the comics, Livewire would target Superman in her broadcasts and he indirectly gave her powers in a lightning accident during a rock concert in Metropolis.
 * Kara was affected by the Black Mercy like Superman in the popular comic issue For the the Man Who Has Everything and the animated series Justice League Unlimited.
 * Kara had a race with The Flash, which Superman frequently did in the comics, Superman: The Animated Series and the live-action film Justice League.
 * In the Injustice 2 Mobile game, Melissa Benoist's portrayal of the character is playable as "Multiverse Supergirl", and her appearance in her protective suit is playable as "Multiverse Armored Supergirl" along with Arrowverse versions of Oliver Queen, Barry Allen, Sara Lance, and Leonard Snart.