New 'X-Men: Days of Future Past' photo shows a groovy young Professor X in the '70s

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Even though director Bryan Singer has been revealing photos and casting news and spoilers left and right on Twitter, there is still much we don't know about "X-Men: Days of Future Past." One thing we do know thanks to the latest photo released for the "X-Men: First Class" sequel: Professor X (James McAvoy) was one groovy dude in the '70s.

The new pic also shows Wolverine (Hugh Jackman) looking exactly the same as he always does -- literally, the guy never changes his look or style, no matter the decade -- and a de-beasted Beast (Nicholas Hoult) sporting some serious horn-rimmed glasses.

Ian McKellen, Patrick Stewart, Michael Fassbender, Jennifer Lawrence, Halle Berry, Peter Dinklage, Ellen Page, and Anna Paquin also star in the upcoming time travel sequel/prequel. 

Shooting officially wrapped on Saturday (August 17), and "X-Men: Days of Future Past" hits theaters July 18, 2014.

Photo/Video credit: 20th Century Fox