'Call of Duty: Warzone' Nuke Event Start Time, How To Access And Participate, Other Details KEY POINTS Devs also revealed the upcoming season's content It also teased about the "Operation Rapid Sunder," which fans believe is the Nuke event "Call of Duty: Warzone" Nuke event is rumored to be the last straw that would utterly destroy the current Verdansk map. Earlier, Activision announced the start of Season 3, somehow hinting at the massive change that could happen to the game's current map. For players excited about the Nuke event, here are some important things they should take note of. "Call of Duty: Warzone" devs confirmed the start time of the much-awaited in-game event. Players should be on the lookout starting 3 p.m. EDT on April 21, 2021, to see how things unfold. For those who could not make it, there are players who would later upload their experience on various social media outlets like YouTube or Twitch.