From Squirrel Girl to Doop: 10 Super-Obscure Marvel Superheroes We've all have heard of Iron Man and Thor, but what about Shadu the Shady? We salute some of the more unsung heroes of the Marvel Universe prev next Marvel Squirrel Girl New York City's Central Park has finally found the hero it deserves. With enhanced strength, speed and a fuzzy tail to boot, her most fearsome ability may be her ability to command a legion of squirrels at will. Just don't leave any macadamia nuts lying around or she'll come nipping at you.