I found this cool website designed for story line development for Magneto.
I would suggest seeing the trailer as well to help explain why Bryan Singer created this website.
In addition, both Fox and Bryan Singer confirmed that he is working on another X-men movie - X-Men: Apocalypse target release date end of May 2016.
The Brain: Are you pondering what I'm pondering?
Pinky: Woof, oh, I'd have to say the odds of that are terribly slim, Brain.
The Brain: True.
Pinky: I mean, really, when have I ever been pondering what you've been pondering?
The Brain: To my knowledge, never.
Pinky: Exactly. So, what are the chances that this time, I'm pondering what you're pondering?
The Brain: Next to nil.
Pinky: Well, that's exactly what I'm thinking, too.
The Brain: Therefore, you ARE pondering what I'm pondering.
Pinky: Poit, I guess I am.