Not sure where this shirt came from. It has both heroes and villains on it. Maybe it's just heads that look distinctive. Cool shirt though.

Comic Relief is my comic store of choice, and they have a great site. Check them out.

Lets look at an incredibly lame Marvel villain. 

Hellcow, the Swiss vampire cow.  No joke.  With a few exceptions, Marvel heroes rule and Marvel villains suck.  Of course, no one can compare to Batman villains. I guess I'm spoiled.