Who are your top 3 X-Men villains? Mine's are:
1. Magneto - Before he turned good, he was the X-Men's biggest enemy going against Professor Xavier's ideals for peace between the mutant community and the humans and causing mass destruction wherever he went.
2. Mr. Sinister - He was responsible for sending the Marauders to wipe out the Morlock race, which was one of the most shocking moments to happen in the X-Men comics.
3. The Original Hellfire Club (1980s) - They were responsible for making Jean Grey transform into the Dark Phoenix.