Amazon proves to be a wonderful source of game leaks once again, this time a bit of information in the product description highlights a zombie campaign. While there’s not official confirmation on anything yet, you have to think Treyarch wouldn’t have sent anything to Amazon about it if it wasn’t meant to be included in Call of Duty: Black Ops 2.
The inclusion of Zombies in gameplay, both in as an option in multiplayer, and as a campaign option
Ever since the success of the zombie multiplayer modes in Call of Duty: Black Ops, fans have been ravenous for more. Treyarch for their part has remained extremely tight lipped about zombies in Black Ops 2. If there is a campaign, especially a co-op one, it would mean a massive expansion of the zombie mode, and one that most fans will likely enjoy.