Warner Bros. Interactive Entertainment offers a terse announcement that the Windows edition of Batman: Arkham City will miss the planned October release dates for the superhero sequel, though the console editions are still on track for release in North America on October 18th, in Australia on October 19th, and in Europe and other territories on October 21st. Here are some new screenshots, and here's the announcement:

Warner Bros. Interactive Entertainment and Rocksteady Studios are releasing the PC version of Batman: Arkham City in November. The Xbox 360 and PS3 versions of the game will be available on 21st October in the UK.

On a semi-related note, Joystiq notes that GameStop has word that the Batman: The Animated Series skin is a PowerUp Rewards member exclusive (thanks nin via Shacknews), though it was recently revealed that the preorder skins will also be offered as post-release DLC.