We got a sneak peek into Brad Pitt's upcoming post-apocalyptic horror movie "World War Z" in a gray-hued, fast-paced trailer that aired shortly before the start of the 2013 Super Bowl.As The Huffington Post noted in an earlier post, the trailer, featuring a long-haired Pitt, "shows off the zombie apocalypse ('We've lost the East Coast') without actually showing off the zombie apocalypse." Are you planning on watching this film when it hits theaters this summer?