Mass Effect 2 : Lair of the Shadow Broker - Debut Trailer

Game - Mass Effect 2 : Lair of the Shadow Broker
Publisher - Electronic Arts
Developer - Bioware
Engine - Unreal 3
Platform - PC, 360
Release Date - 26 January 2010
Lair of the Shadow Broker Release Date - 07 September 2010

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