Other indicators, such as calling card rewards unlocked by tasks such as “In Warzone, eliminate 8 zombies before the first circle closes,” all but confirm Warzone will be receiving zombie-centric playlist options once the Season 2 update goes live. This ship was mentioned on the official Call of Duty blog when Season 2 was formally detailed.
Additionally, players have noticed a specific office on Rebirth Island that triggers fullscreen visual interference with Russian radio chatter that mentions a ship named Vodyanoy. One of the trial machines native to the traditional Zombies mode was spotted in Verdansk hospital last week. The development team has been dropping hints about major changes to Warzone’s two maps, Verdansk and Rebirth Island, by way of “blink and you missed it” easter eggs. Thanks to some eagle-eyed players, we now have confirmation that the zombie outbreak that has been touted for Call of Duty: Black Ops - Cold War will also be invading Warzone servers.