We've been gagging on the post-apocalyptic teasers for Bryan Singer's upcoming X-Men: Days of Future Past, but now we finally get to see some of our favorite heroes in action. Below, check out the extended trailer for the upcoming X-sequel.

The list of stars making appearances is colossal, with Michael Fassbender, Ian McKellen, Patrick Stewart, James McAvoy, Nicholas Hoult, Jennifer Lawrence, Evan Peters, Peter Dinklage, Halle Berry, and Ellen Page all spotted in the new sneak peek.

X-Men: Days of Future Past debuts May 23.