The X-Men: Days of Future Past scene that appears after the credits of The Amazing Spider-Man 2 has officially been released online. The scene shows William Stryker coming to collect some mutant soldiers. The ranking officer turns out to be Mystique, who fights Stryker with the help of other mutants like Toad and Havok. In X-Men: Days of Future Past, the X-Men send Wolverine to the past in a desperate effort to change history and prevent an event that results in doom for both humans and mutants. X-Men: Days of Future Past comes to theaters May 23.