After his on-set injury on the set of Death Cure, Dylan O’Brien is back at it (it being straight-up killing people in movies). In American Assassin, O’Brien plays Mitch Rapp, a CIA black-ops recruit who works with Michael Keaton and Sanaa Lathan to stop terror attacks. Taylor Kitsch is also there. Apparently, terrorists once killed Mitch’s fiancée, because what better character motivation is there than the love of a dead woman? American Assassin premieres this September.