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 ) . X-Men : Days of Future Past is a 2014 American superhero film based on the fictional X-Men characters that appear in Marvel Comics . Simon Kinberg wrote the screenplay from a story conceived by Jane Goldman , himself , and Matthew Vaughn .