Batman Arkham City has received a new trailer showcasing the Gamestop pre-order exclusive Robin Pack. You'll be able to play as Robin in the game's challenge mode, which has a few selectable skins including Red Robin, and Robin from the Batman: The Animated Series. Additionally, you'll have access to two challenge maps, "Runaway Train" and the "Slaughterhouse." The two challenge maps will be sold as DLCs at a later date.
You can take a closer look at the selectable skins from the Robin bundle here. Batman Arkham City releases October 18, 2011 on the Xbox 360, PS3 and PC.