User blog comment:Ausir/Call of Duty: Black Ops - Rezurrection DLC announced/@comment-402843-20110808214639/@comment-25386775-20110808214950

Incidentally, it would also have been the only one that's free, since you have Hardened edition. Owners of Hardened edition get the map pack for free since they already have the WaW maps. Not that it matters since you don't play BO anymore.