Call of Duty: Warzone, Black Ops, Zombies and Modern Warfare Are

Speculation has been brewing for some time that Activision was setting the stage for an interrelated COD universe.

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The Haunting returns to Call of Duty: Warzone, invades Black Ops

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Call of Duty Modern Warfare, Warzone, and Black Ops Cold are too

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Everything You Need to Know About Call of Duty®: Black Ops Cold

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