Few superhero teams have members that switch sides as many times as the X-Men, where the deadliest Brotherhood of Evil Mutants character could become a hero and even an original X-Men founding member could lead mutants to certain doom. The X-Men’s lineup is a constant revolving door, with the Marvel Comics storylines of mutant-rights, persecution, … Continue reading 7 X-Men Who Have Been Both Hero and Villain, Ranked by Impact