Call of Duty's big new Season 5 update is coming soon, and it includes a major change for Warzone. Activision has announced that the stadium is opening up to become a new playable space.Activision is also debuting a new mode, Stadium Resurgence. A 36-player mode, Stadium Resurgence is described as a "rapid action mode" where the skirmishes come fast on a smaller section of the overall map focused on the stadium itself. The mode debuts during the second full week of Season 5.The stadium is opening.The publisher also teased something bigger for the stadium, saying a "massive disruption across Verdansk is imminent," along with an image of a red beam shooting down from the sky."Recon teams have confirmed the existence of a clandestine military base hidden within the sealed walls of the National Acropolis Arena. The extent of the threat remains unclear, though a weapon capable of large-scale destruction is expected to be unearthed within the vicinity," Activision said.Something is going down in Warzone.Additionally, Warzone is getting a new contract called Satellite Hijack. For this contract, players must breach the stadium in the "most impressively explosive way possible." Activision's blog post about this contract contains redacted sections that suggests the contract has some narrative ramifications that Activision does not want people to know about ahead of time. One of the redacted sections pertains to an award that players and their squadmates will receive for completing the contract.Something mysterious is in store.Beyond the changes to Warzone, the Season 5 update adds new maps, modes, guns, operators, a BlackCell bundle, and more.Looking further ahead, the next entry in the Call of Duty series is Black Ops 7 and it's coming later this year. Activision will share more information about the game during Gamescom in August.