Batman: Arkham Origins launched for PC, PS3 and Xbox 360 - PC

In Europe the boxed PC and Wii U versions are pre-order only until the 8th November.

Warner Bros Announce Batman: Arkham Origins, Along With Release Date – WGB, Home of AWESOME Reviews

Batman Arkham Games in Order - Fierce PC Blog

Super Adventures in Gaming: Batman: Arkham Origins (PC)

Batman: Arkham Origins unlikely to be patched, dev busy with DLC

Batman: Arkham City (Game) - Giant Bomb

Batman: Arkham Origins - Announced for PC, PS3, Xbox 360 and Wii U + Game for PS Vita and 3DS

Batman: Arkham Origins – News, Reviews, Videos, and More

Face-Off: Batman: Arkham Origins

Batman Arkham Origins Game DLC Code Free [PC,PS3 & Xbox 360] - video Dailymotion