The official Call of Duty Twitter account has been posting new teaser images and sound files for the upcoming Exo Zombies mode for Advanced Warfare.

A Sound Clip has also been released:

UPDATE: They’ve also teased two video clips of Exo Zombies, which appear to show Mystery Box is returning:

Exo Zombies is included with Havoc DLC pack, the first DLC for Advanced Warfare, available Jan 27th on Xbox Live.

SOURCE: Call of Duty

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