- "Supergirl, Flash, I just love it when you guys team up. Would you sign this for me please?"
- —Marv to Supergirl and Flash[src]
Marv is a big fan of the Flash and Supergirl. Wishing for an autograph after he saw them take down Weather Witch, he then mentioned their previous team-ups with the likes of Green Arrow, the Legends, and Batwoman, revealing to them that they all existed on the same Earth.
DC's Legends of Tomorrow
- Marv has the distinction of being the first known individual who is not known to have existed in the original multiverse.
Behind the scenes
- In real life, Marv Wolfman is a comic book writer, best known for co-writing the original Crisis on Infinite Earths comic book event, in addition to co-creating the characters who made their debut in the novel including Harbinger, the Monitor, Pariah and the Anti-Monitor.