Thunder Gun: While replaced by the Jet Gun this time around, a text string has been found for buying it off the wall.OLD P90: A string can be found in text files.However, the pick-up icon still remains in the game's data and has a string mentioned in the text files. Commando: The Commando from Call of Duty: Black Ops didn't return and can only be seen in the Behind the Scenes video.Interestingly, the War Machine is called the 'XM25' in the game files (but only for Zombies mode).

However, most of those weapons were still mentioned in the text files for Zombies (most likely leftovers from Black Ops). Sadly, most weapons from previous titles did not return in Black Ops II in order to fit the futuristic setting.