Call Of Duty: Warzone and Black Ops Cold War Season 6 shows the return of Alex Mason and an explosive change to Verdansk.Call Of Duty: Black Ops Cold War is reaching the end of its life cycle as players gear up for Call Of Duty: Vanguard’s release. Season 6 of both BOCW and Warzone begins on October 7 and a new trailer gives a look at what players can expect.The numbers machine from Black Ops 1 returns but instead Mason is the one using it, with Adler in the hot seat.