Rocksteady announces sequel to Batman: Arkham Asylum.

Rocksteady announced today, and dispelled rumors about Arkham Asylum 2, the sequel to the fair-selling Batman: Arkham Asylum. The game has been named Batman: Arkham City and is scheduled to be released next fall for the PC, PS3 and Xbox 360.

As the title says the game takes place in Arkham City, a type of "maximum security home" for the various types of thugs, gangsters and maniacs that reside within Gotham City.

The game will feature the big names of the Batman series and ,via GameInformer's September cover, the illustrious Cat Woman. Despite, a host of new features and gameplay updates being in the works, there are little details.