Published on December 19th, 2011 | by octaneblue0
Free DLC Skin for Batman: Arkham City
As a special thanks to the fans that have supported Batman: Arkham City, developer Rocksteady Studios will release a free Batman, Inc. Batsuit DLC skin, pictured below.
The free DLC skin will be available for PlayStation Network, Xbox LIVE Marketplace, and Games for Windows Marketplace on Wednesday, December 21st. You can read their post about the free DLC here.
Also noted in the above link is a code that you can input to start the main game with a DLC skin of your choice; previously, one would have to complete the main game in order to do this.