The X-Men: Days Of Future Past trailer is now online and can be viewed below.
Director Bryan Singer recently held a Twitter QnA where he described the film as being darker in tone than the preding X-Men movies.
"Although there is a great deal of humor, the overall tone is a bit darker than previous films, particularly because of the stakes," Singer offered about X-Men: Days Of Future Past.
Related: 60 images from the trailer.
Check out the X-Men: Days Of Future Past trailer:
X-Men: Days of Future Past has a May 23, 2014 release date starring Jennifer Lawrence, James McAvoy, Michael Fassbender, Nicholas Hoult, Anna Paquin, Ellen Page, Shawn Ashmore, Hugh Jackman reprising as Wolverine, returning cast members Patrick Stewart and Ian McKellan, with Peter Dinklage as Bolivar Trask.