The ultimate X-Men ensemble fights a war for the survival of the species across two time periods in X-Men: Days of Future Past The beloved characters from the original "X-Men" film trilogy join forces with their younger selves from "X-Men: First Class," in an epic battle that must change the past -- to save our future. Starring Patrick Stewart, Ian McKellen, Hugh Jackman, Jennifer Lawrence, Michael Fassbender, Nicholas Hoult and Ellen Page. Directed by Bryan Singer. less