If I were a hero, I'd be Martin Luther (Part 4336)....

 Superhero Anydays

This is, I'm sure, but Alex Garcia, and it's all the Super Friends over the years, done in the style of the cartoon. 

Clockwise from upper left: The Atom, Superman, Hawkwoman, Hawkman, Batman, Aquaman, Rima the Jungle Girl, Apache Chief, El Dorado, Robin, Jayna, Wendy, Firestorm, Wonder Dog, Marvin, Gleek, Samuri, Cyborg, Zan, Green Arrow, Black Vulcan, with Wonder Woman in the middle.

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And today we have cosplayer doing Magneto, in a somewhat armored uniform.  Never seen that look before, but it look pretty good. 

POLT