EXCLUSIVE: The Tom Cruise sci-fi tentpole will now open in IMAX and in wide release on April 19.Universal had originally planned to sneak Oblivion in IMAX on April 12 but opted to push the pic a week to maximize its opening in a frame in which Open Roads’ jOBS is the only competition in wide release. Star Cruise will also have more time to promote the film overseas as it opens internationally in several territories on April 12. The move also give Universal’s April 5 openerJurassic Park 3D an extra week on IMAX screens. The studio recently tweaked its summer slate when it shifted dates for 2 Gunsand Kick-Ass 2 and announced that the Jeff Bridges-Ryan Reynolds starrerR.I.P.D. will be released in 3D.