Warner Bros. Interactive has announced that Batman: Arkham City will be available in Stereoscopic 3D on all three platforms, namely PC, PS3 and Xbox 360. It can be viewed via analgyphic 3D or Stereoscopic 3D depending on the TV you have.
The PC version of the game will support Nvidia 3D vision, so you need a Geforce card that supports 3D to play Arkham City in the 3D.
The game releases on October 21st for the PC, PS3 and Xbox 360.