If I were a hero, I'd be Martin Luther (Part 1985)....

 Superhero Anydays

Not sure who the artist is, but this is a bunch of Marvel characters, looking like it's a mid to late 70s era time.

Clockwise from the bottom right" Scarlet Witch, Hawkeye, Power Man, Spider-Man, Black Widow, part of Nova's helmet, Iron Man, Man-Thing, part of the Vision's head, Human Torch, Thor's leg, The Thing, The Hulk, I really have no idea who the next guy is, Ka-Zar, Daredevil, and Black Panther.

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And we also have some Superboy cosplay....and his...lil friend he must keep in this front pocket.

POLT