'X-Men: Days of Future Past': Who's In? Who's Out?
Ian McKellen, Magneto
Appeared in: "X-Men, "X2: X-Men United," "X3: The Last Stand"
Best known for: "The Lord of the Rings," "Gods and Monsters"
Character's Powers: Can control magnetic fields in order to manipulate metal.
When we last saw him: After being injected with the mutant "cure" and seemingly losing his powers, Magneto appeared to have regained them (at least in a milder form) after he was seen manipulating a metal chess piece in the park.
In or Out: Confirmed by director Bryan Singer.