These superheroes and villains have never really crossed paths before in terms of having a one-on-one fight. Superheroes have the goodness and desire to help people that makes them powerful, but supervillains often feed on the desire to destroy and take revenge. From Iron Man to Magneto, this list includes famous and beloved superheroes and supervillains. Your mission is to decide who is more powerful. Decide who would win if they ever crossed paths and began fighting each other.