If I were a hero, I'd be Martin Luther (Part 2420)....

 Superhero Anydays

I'm pretty sure this is Phil Jiminez's work, but not positive  At any rate, it's GREAT work, and it's half of Canada's superteam's Alpha Flight's resident speedsters: Northstar!

Incidentally, he's also gay. 

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And today we also have a cosplayer doing Avenger Carol Danvers, aka Ms. Marvel.

Not sure why the flames are there.  Ms. Marvel never had flame powers.

POLT