Call of Duty: Advanced Warfare Was Teased in Call of Duty: Ghosts

Catch a glimpse of Advance Warfare's Retreat map in the latest Ghosts DLC.
Call of Duty: Ghosts delivers an all-new story, all-new multiplayer action, and is powered by the next-generation Call of Duty engine.

Call of Duty: Ghosts multiplayer teased ahead of reveal

There are others who'd like to do that too: Call of Duty Writer Signals Spinoff on Fan-Favorite Character after Modern Warfare 3 - FandomWire

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Modern Warfare 2 reveal teased with images of Ghost

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