The first trailer for Bryan Singer's Jack the Giant Killer has debuted at iTunes Trailers and you can check it out below! The film tells the story of an ancient war that is reignited when a young farmhand unwittingly opens a gateway between our world and a fearsome race of giants. Unleashed on the Earth for the first time in centuries, the giants strive to reclaim the land they once lost, forcing the young man, Jack, into the battle of his life to stop them. Fighting for a kingdom, its people, and the love of a brave princess, he comes face to face with the unstoppable warriors he thought only existed in legend—and gets the chance to become a legend himself. Starrring Nicholas Hoult, Stanley Tucci, Ian McShane, Bill Nighy, Eleanor Tomlinson and Ewan McGregor, Jack the Giant Killer hits theaters in 3D, 2D and IMAX 3D on June 15, 2012. Read more movie news and watch trailers at Maumau Web TV's blog posts or watch The Best Free movies on its 11 great channels.