X-Men: Days of Future Past was based on the story line by Chris Claremont and John Byrne in the 1981 Marvel Comics Uncanny X-Men. The film was directed by Bryan Singer, director of the films: Jack the Giant Slayer, Valkyrie, Superman Returns, X-Men, X2 and The Unusual Suspects. This film was shot in 3D." name="description"> X-Men: Days of Future Past was based on the story line by Chris Claremont and John Byrne in the 1981 Marvel Comics Uncanny X-Men. The film was directed by Bryan Singer, director of the films: Jack the Giant Slayer, Valkyrie, Superman Returns, X-Men, X2 and The Unusual Suspects. This film was shot in 3D." property="og:description">