When is the Call of Duty Warzone Season Three Launch Live Event? Call of Duty Black Ops Cold War and Warzone Season Two ending this week, we don’t want you to miss out on the Season Three launch live event that Activision, Treyarch, and Raven have been teasing. Zombies have taken over Verdansk. All hope seems lost. Something big is coming. Here are all the details about when you can catch it and what we know so far about Season Two transitioning into Season Three. When is the Call of Duty Warzone Season Three Launch Live Event? April 21, 2021 at 12pm PT