The New Mutants stars Anya Taylor-Joy (Magik), Maisie Williams (Wolfsbane), Charlie Heaton (Cannonball), Blu Hunt (Mirage) and Henry Zaga (Sunspot) in the X-Men spinoff about five young mutants who must face their pasts, harness their powers, and band together to escape from the sinister government facility in which they have been secretly stashed.