In 2016 team worked for Damien Darhk trying and failing to destroy a building and killing trapped Quentin Lance. After that failed attempt they were traced to their hideout by Team Arrow but managed to escape, destroying the building and a laptop with information. During the attack, Jack was patrolling the building and stumbled upon Spartan whom he fought and defeated with relative ease.
He then fought Spartan again on the occasion of team trying to destroy the building, where mayoral election debates between Oliver Queen and Ruvé Adams were held, receiving a direct order from Ruvé to kill Oliver. That time though, Spartan came prepared and used the magnetic gadgets to disarm Jackhammer and after a fight, Jack got knocked out.
- Peak human physical condition: Jack is a very strong individual who uses a sledgehammer as a melee weapon with relative ease.
- Expert hand-to-hand combatant/Martial artist: Jack is an expert fighter who was able to best John Diggle in their first fight but was defeated in their second fight.
- Explosives expert: Jack is an expert in explosives and can easily install the complicated bomb.
- Sledgehammer: Jack carries and uses a sledgehammer as his main weapon.
- Explosives: Jack carries some explosives in his backpack.
Behind the scenes
- In the DC comics Jackhammer is also a member of The Demolition Team, who uses a jackhammer-like mechanical weapon while in the series he uses a sledgehammer.
- Jack's actor, Daniel Cudmore, later appears on fellow Arrowverse shows The Flash as William Lang/Gridlock in "Nora", in addition to providing the motion capture for Grodd in the DC's Legends of Tomorrow episode "Welcome to the Jungle".