Sophie Turner, Jennifer Lawrence, James McAvoy, Nicholas Hoult, Jessica Chastain, Michael Fassbender, Evan Peters and more star in this new trailer for 'Dark Phoenix'. Jean Grey begins to develop incredible powers that corrupt and turn her into a Dark Phoenix. Now the X-Men will have to decide if the life of a team member is worth more than all the people living in the world. This trailer is in HD. Check it out.