X-Men: Days of Future Past is an upcoming American superhero film co-written, produced and directed by Bryan Singer and featuring the X-Men characters appearing in Marvel Comics. It is intended to be the seventh installment in the X-Men film series. The screenplay is written by Simon Kinberg, Matthew Vaughn, and Jane Goldman, with Singer writing the story. The film is based on the 1981 Uncanny X-Men storyline "Days of Future Past" by Chris Claremont and John Byrne. It is the third X-Men film directed by Singer after 2000's X-Men and 2003's X2.