Warner Bros has released official trailer, for Bryan Singer’s latest fantasy before he returns to the X-Men franchise. The action-adventure epic is now called Jack the Giant Slayer, originally called Jack the Giant Killer

With Nicholas Hoult stars as Jack, along with Eleanor Tomlinson, Ewan McGregor, Stanley Tucci, Bill Nighy, Ian McShane and Warwick Davis. Directed by filmmaker Bryan Singer, of Public Access, The Usual Suspects, Apt Pupil, X-Men, X2, Superman Returns and Valkyrie previously. The script is by Darren Lemke (Shrek Forever After), Christopher McQuarrie (Usual Suspects, Valkyrie) and Dan Studney (Reefer Madness: The Musical). Warner Bros has pushed Jack the Giant Slayer back until March 1st, 2013 next spring.