The Mighty MONGO!
He not Mighty Mongo!
This Mighty Mongo!

Mighty Mongo
SMASH!Ahem. That is to say, I should think some of the Dark Age games minis would work for Superheroes, at least of the grittier not-spandex variety. Some even have capes (and there are a couple of spandex clad ones too now that I think of it)

Be adviced that if Hasslefree is at the small end of the 28mm spectrum, then these tend to be more @ the opposite end.