User blog comment:Crazy sam10/Black Ops II Prestige, Combat Training and Party Games/@comment-737493-20120928101057/@comment-1187559-20120928101820

It says "These options extend to online, offline and LAN games. Bots can be added, and can even take over for a friend if they suddenly have to escape back to the real world." so it's likely you can create an offline custom game with bots for the same experiance.