User blog comment:Damac1214/Treyarch hints at Black Ops II Multiplayer trailer/@comment-178.167.141.63-20120725095252/@comment-1055346-20120727013246

He is more than likely reffering to the fact that Zombies now uses the Multiplayer engine, and thus will probably be accessed from the Multiplayer menu. that doesn't exactly make it Multiplayer though