Call of Duty: Black Ops Cold War Teaser Has Warzone and Zombies Fans Hyped Call of Duty: Black Ops Cold War's mysterious teases continued today, and the newest has both Warzone and Zombies fans boarding the hype train en masse. The last few days the official Twitter account of Treyarch Studios has been very busy posting teasers for Season 2 of Warzone, which may be complete with zombies. The teaser itself -- "There's an operation underway in the Ural Mountains. I have to stay in the field," which is complete with a cryptic video -- isn't very revealing, but with context it is. For months, rumors and leaks have been pointing towards a new map featuring the Ural Mountains. And now, this new teaser seemingly validates these rumors, which in turn means this appears to be a teaser for a new