Bloody Disgusting broke the news today that screenwriting duo Christopher Allen Nelson and Mitch Rouse have sold their original spec horror screenplay Supermax to Columbia Pictures. The film is being executive produced by DeVon Franklin and Doug Belgard for Sony and executive produced by Sean Robins and Todd Garner for Broken Road Productions.

The film takes place in a maximum-security prison where super natural criminals are held. A prison guard is forced to join forces with a lethal inmate after a riot ensues in the jail. The two men must fight their way through an army of monsters and mad men to make it out alive.

The film is scheduled to being shooting in early 2010.