Warner Bros. is going to war in the future, snapping up Colin Trevorrow’s script “World War X” and setting it up with Silver Pictures.Story’s centered on a man recruited by a team of government agents to stop a terrorist from the future who is using time travel to reshape history. Joel Silver and Andrew Rona are producing. Chris Bender, JC Spink, Alex Heineman and Jake Weiner are exec producing. Heineman and Sean Finegan brought the project into Warners. Sarah Schechter and John Ridley are overseeing for the studio. Warner-based Silver’s producing “Apparition” and the “Sherlock Holmes” sequel for the studio. Trevorrow and Derek Connolly sold an action comedy pitch earlier this year to Walter Parkes and Laurie MacDonald. Trevorrow’s repped by ICM and 3 Arts.