From the padded cells of Arkham Asylum to the mean streets of Crime Alley, one truth is whispered wherever evil gathers: Gotham City belongs to the Batman. Until now! The crimelord formerly known as the Penguin is now Mayor Oswald Cobblepot -- elected to be Gotham's leader by promising to outlaw vigilantes and villains alike. The immortal mastermind Ra's al Ghul has ordered an invasion of assassins - not to destroy the Dark Knight, but to eliminate his enemies permanently. And a two-bit hood called the Black Mask is forming a deadly new masked mob. Outlawed. Outnumbered. On the run....