‘X-Men: Days of Future Past’ trailer: Wolverine rallies the team

Hugh Jackman’s clawed hero Wolverine has the unenviable task of traveling back in time to try to save the world in Bryan Singer’s “X-Men: Days of Future Past,” and the final trailer finds him following in the grand movie tradition of assembling his team.

His first recruit in the film, which unites the casts of the original “X-Men” trilogy with the 1960s-set prequel “X-Men: First Class,” is none other than a young Professor Xavier (James McAvoy). As the trailer makes clear, the telepathic professor and his school for mutants have both seen better days.

“You’re going to find this hard to believe,” Wolverine says to a disheveled and apparently drunk Xavier. “I was sent here for you, from the future, 50 years from now.”

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“Could you give me that one more time, please?” the professor replies, laughing.

Eventually, Wolverine gets through to him, warning him of a dystopian future where giant humanoid robots known as Sentinels hunt mutants and humans alike. (The film’s premise is based on the acclaimed comic book storyline by Chris Claremont.)

To stop that from happening, Wolverine and Xavier enlist the help of Beast (Nicholas Hoult), who’s “pretty strong for a scrawny kid”; Mystique (Jennifer Lawrence), “a cold-hearted bitch”; Magneto (Michael Fassbender), “a monster”; and Quicksilver (Evan Peters), who’s either “fascinating” or “a pain in the ass,” depending on who you ask.

Other members of the star-studded cast glimpsed in the trailer include Patrick Stewart (as an older Xavier), Ian McKellen (older Magneto), Halle Berry (Storm) and “X-Men” newcomer Peter Dinklage as Sentinel creator Bolivar Trask.

Studio 20th Century Fox has plenty at stake with the ambitious film, which represents an “Avengers”-like crossover that could help usher in, or hinder, a new phase of X-films.

“X-Men: Days of Future Past” opens May 23.

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