If I were a hero, I'd be Martin Luther (Part 2197)...

 Superhero Anydays

Today, by an artist named Michael Lark, we have Earth-2's Justice Society, the lineup after World War II. 

On the ground: Dr. Mid-Nite, The Flash, The Atom and Black Canary

in the air: Hawkman, Wonder Woman and Green Lantern

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And today we have a Spider-Man cosplayer hanging on a chain link fence.

POLT