CGRtrailers, from Classic Game Room®, presents a behind the scenes trailer for Content Collection #1 for CALL OF DUTY: MODERN WARFARE 3. A large number of maps are available in this DLC/expansion pack. This assortment will be available for Call of Duty Elite premium members on March 13th and to other users on March 20th. This is only for the Xbox 360 and the Xbox Live Arcade (XBLA). Enjoy!