You won't have to wait for a "Game of the Year" version to play Batman: Arkham City in 3D.When the game ships in October, it'll have two varieties of 3D support built in. The Xbox and PS3 versions will be playable in stereoscopic 3D on compatible televisions, using active-shutter glasses. The PC version will include Nvidia 3D Vision tech to support 3D output on compatible TVs or monitors, if you happen to have a GeForce GPU.
In addition, the game supports regular old anaglyph 3D when played on an HDTV with "3D glasses available for the video game." This is likely the same TriOviz tech used in Arkham Asylum. So even if you don't have a fancy 3DTV (and just a fancy HDTV), you can see some cape virtually up in your face.