The X-Men have no shortage of great villains, and these 10 stories gave iconic foes the perfect debut. From Mutant powerhouses to bigoted humans to far stranger enemies, this list goes through the best of the best in chronological order.
The X-Men have no shortage of great villains, and these 10 stories gave iconic foes the perfect debut. From Mutant powerhouses to bigoted humans to far stranger enemies, this list goes through the best of the best in chronological order.
