"With great power comes great responsibility." Yeah, that's all well and good but no one is perfect. Ranker Comics has gathered thirty different times the good guys crossed the line and became the bad guys! Sometimes it's a lapse in judgement and other times it's just flat out insanity. No one said being a hero was going to be easy!
Which comic book characters and superheroes became the most evil? Make sure you vote up the most evil superhero transformations below! These heroes have all had a long day and are a little cranky - so make sure you show them so love.