Four are traditional online environments while the fifth is a new zombie addition. The maps are even named on the flyer though no date is seen stamped on it.
The alleged next map pack for Black Ops will feature Hangar 18, Hazard, Silo, Drive-In and a New Zombies Map reveals the quite blurred snapshot of the promotion. The next map pack is rumoured to be named 'Retaliation' and follows on from Escalation.