Activision has released the launch trailer for Modern Warfare 3 first DLC pack. The DLC pack is called Collection 1, and packs in four multiplayer maps, Piazza, Liberation, Overwatch, and Black Box along with two Special Ops missions, Black Ice and Negotiator.

Collection 1 is set to release on Xbox Live on March 20th, and will set you back 1200 MS points ($15). PS3 and PC players can expect the collection to hit PSN and Steam about a month after.

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