Call Of Duty: Black Ops' Escalation DLC Includes Five New Maps.

The DLC will boast five new maps: Convoy, Zoo, Stockpile, Hotel and a new co-op zombies stage. It'll launch on May 3rd for XBOX 360, but PlayStation 3 owners will have to wait until around June to get their hands on the new maps. That's due to an exclusive contract between Microsoft and Activision that keeps the content off PS3 for a short term.