Quicksilver and Scarlet Witch have the perfect solution for Avengers: Age of Ultron. The one benefit to having Magneto for your father. "I can’t be the only person who has thought how much easier that fight would be with dadneto come on"
But hes not a supervillian. Even according to stan, hes not even a villian. He is just a man a simmilar goal to charles, just his way of going about it is more violent and misguided. But both are so rooted in their beliefs that they cant agree.