Here's what star/producer Brad Pitt had to say about the follow-up.
The original World War Z, which went on to gross $539 million worldwide from an estimated budget of $190 million, had several writers credited, including Matthew Michael Carnahan, J. Michael Straczynski, Drew Goddard and Damon Lindelof. It isn't known if the studio plans on bringing one of these writers back for the sequel, or if Brad Pitt's Plan B Productions and Paramount are seeking a new writer.
Brad Pitt portrayed former U.N. employee Gerry Lane in World War Z, who travels around the world in hopes of finding a cure for the zombie virus that is rapidly spreading across the globe.
World War Z was released June 21st, 2013 and stars Brad Pitt, Mireille Enos, Daniella Kertesz, James Badge Dale, Ludi Boeken, Matthew Fox, Fana Mokoena, David Morse. The film is directed by Marc Forster.