If I were a hero, I'd be Martin Luther (Part 1857)...

 Superhero Anydays

Today we have, by the criminally underappreciated Alan Davis, Earth-3's Crime Syndicate  against Earth-1's The Flash and The Atom!

Clockwise from upper left: Superwoman, Ultraman, Power Ring, Owlman and Johnny Quick.

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And today we have some Asian cosplay of some of the original Teen Titans: Robin and Wonder Girl. 

POLT