Treyarch have released yet another teaser hinting at Call of Duty: Black Ops II Zombies. Earlier today, the first teaser was uploaded on the official YouTube page.

The Zombies reveal is coming soon! The official Call of Duty website accidentally updated the homepage to reveal the text “Zombies Trailer,” which was later removed.

Now, the team have posted another cryptic clip named “attack_03.” What do you think it is? Any clues to what is being shown on the TV? Let us know! Check it out below.

[Update] The developer has released a new image captioned with the words “the calm has ended – they are beginning to return.