North American retailer Best Buy has accidentally confirmed that Batman's trust side-kick, Robin, will be a playable character in Batman: Arkham City.
The pre-order page for Arkham City stated that if you pre-ordered the game through Best Buy, Robin would be available in two challenges, much like The Joker in the PS3 version of Arkham Asylum. Catwoman will also be playable in the game.
We recently got a chance to check out Arkham City at E3 2011. If you want to find out more about our experience, feel free to check out the preview.