For the die-hard Call of Duty: Black Ops fans out there, Activision has released new information and media for the upcoming map pack Escalation. The downloadable content includes four new multiplayer maps and one new zombie map entitled “Call of the Dead.”

Escalation map pack details include:

* Hotel – Set on the roof of a Cuban luxury hotel and casino against the vivid backdrop of old Havana.
* Convoy – Close-quarters combat at the scene of an ambushed US military convoy.
* Zoo – An abandoned Soviet Russian Zoo, with danger at every turn.
* Stockpile – pits players in a remote Russian farm town housing secret WMD facilities.
* Call of the Dead – Zombies experience with more details to come.

Check out the trailer below. New screenshots for Call of Duty: Black Ops Escalation map pack here.

Escalation will be released on May 3 for Xbox 360, with a later date to be announced for PlayStation 3 and PC.