Batman Arkham City - The First DLC

A pre-order DLC called "Joker's Carnival Challenge Map" was announced for Batman: Arkham City, including four hours of gameplay.

Batman: Arkham City will be released October 18, 2011, for PC, Xbox 360 and Playstation 3.

If you pre-order the game, you'll be able to download the Joker's Carnival Challenge Map. So far, only the retailers Tesco from UK and  Gamestop from the US are involved in this bonus DLC. A German retailers wasn't mentioned yet. Even Robin will appear in Batman: Arkham City, but only in the challenge mode like this one.

Warner Bros. Interactive Entertainment described the map as crazy challenge, set up as TV show, with a playtime of four hours. Whether this stand alone mission will be downloadable later for everyone else, wasn't revealed yet.