Similar to Black Ops Cold War before it was officially revealed, it seems the Call of Duty Warzone and Vanguard crossover promotions are underway!
Source: N4G PC Call of Duty Warzone and Vanguard Crossover Promotions Have Begun
Similar to Black Ops Cold War before it was officially revealed, it seems the Call of Duty Warzone and Vanguard crossover promotions are underway!
Source: N4G PC Call of Duty Warzone and Vanguard Crossover Promotions Have Begun