Assassin's Creed : Brotherhood - The Da Vinci Disappearance DLC Trailer (HD 720p)

Game - Assassin's Creed : Brotherhood (The Da Vinci Disappearance)
Publisher - Ubisoft
Developer - Ubisoft Montreal
Engine - Anvil
Platform - PC, 360, PS3
Release Date : 360, PS3- March 2011
PC - TBA

Source
http://www.youtube.com/user/ubisoft