According to a listing by GameStop the new DLC will be called Lost Archive.
GameStop listed a new DLC for Assassin’s Creed: Revelations which will be released on February 28 2012. The additional content is called “Lost Archive” and it will be available on PS3 and Xbox 360 for $14.99.
Earlier there were rumors that the upcoming DLC was a single-player mission with Desmond Miles as the playable character. Ubisoft hasn't confirmed the existence of the DLC until now.
■ Jensen6