If I were a hero, I'd be Martin Luther (Part 4466).....

 Superhero Anydays

Not sure of the artist, but this is a bunch Earth-2's super-heroines, from both the Golden Age era of WWII, the Silver Age era of the 70s, and the Modern Era. 

Wonder Woman (member of All-Star Squadron & JSA)

Huntress (member of JSA & Infinity Inc)

Hawkgirl (member of All-Star Squadron & JSA)

Black Canary (member of JSA)

Jade (member of Infinity Inc)

Power Girl (member of JSA & Infinity Inc)

Stargirl (member of JSA)

Liberty Belle (member of All-Star Squadon)

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And today we also have a Black cosplayer doing Thor, with both Mjolnir and Stormbreaker

POLT