Ian McKellen and Patrick Stewart have been cast in `` X-Men : Days of Future Past '' as Magneto, Erik Lensherr has joined the film. There and Back Again '' are scheduled to hit theaters on July 18 , 2014 . First Class '' will also portray Magneto and Prof. X . The casting news hints that the next film will reconstitute a 1981 comic book storyline .
Ian McKellen and Patrick Stewart have been cast in `` X-Men : Days of Future Past '' as Magneto, Erik Lensherr has joined the film. First Class '' will also portray Magneto and Prof. X . The casting news hints that the next film will reconstitute a 1981 comic book storyline .