Call of Duty 2020 Vietnam will be apart of Warzone battle royale, mixing Modern Warfare and Black Ops, as Infinity Ward has confirmed officially. Warzone BR wil also be coming to next gen.
Source: https://gamergen.com/actualites/call-of-duty-warzone-avons-parle-avenir-saison-4-next-gen-et-triche-developpeurs-notre-interview-complete-311584-2
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