a peice of an interview with josh olin(treyarch manger).
Originally posted by another user
Molotov Cupcake: Are there any more planned map pack releases after Map Pack 3?
Josh Olin: Anything is possible; I guess it all depends on the success of Map Pack 3, as well as how our agenda here at the studio pans out. As developers, we love downloadable content, as there is always something we can improve upon or iterate on with another go. It’s all just a matter of timing.