A film based on Marvel Comics is X-Men: Days of Future Past.
Michael Fassbender . In 2011 , Fassbender debuted as the Marvel Comics antihero Magneto in X-Men : First Class , and went on to share the role with Ian McKellen in X-Men : Days of Future Past ( 2014 ) , and reprise it again in X-Men : Apocalypse ( 2016 ) . Uncanny X-Men , originally published as The X-Men , is an American comic book series published by Marvel Comics since 1963 , and is the longest-running series in the X-Men comics franchise . X-Men: Days of Future Past . The story , inspired by the 1981 Uncanny X-Men storyline `` Days of Future Past '' by Chris Claremont and John Byrne , focuses on two time periods , with Wolverine traveling back in time to 1973 to change history and prevent an event that results in doom for both humans and mutants .