X-Men: The Animated Series introduced audiences to a swathe of classic Marvel villains, but some of these iconic foes were ...

X-Men: The Animated Series has some incredibly powerful mutant characters, but only a select few can boast threat levels at the top of the food chain.

animated series waxed and waned, and their comic sales dropped from amazing to merely good, then went back to amazing again — but one thing that never changed is how awesome the X-Men have looked.