A longtime menace to Gotham City, Edward Nigma aka The Riddler, gets his devious kicks by challenging Batman to puzzling mind games. But now the games has changed -- arch villain Bane has injected The Riddler with the drug Venom, giving him super strength and a mean new edge. The fate of Gotham City's population now rests in Batman's ability to solve the Riddler's puzzle, while at the same time battling this newly-created monster who's armed with a weapon that fires queation mark ammo. It's an all-out battle of brains and brawn!