Microsoft could bring Halo, Gears of War, and Doom characters to Call of Duty: Black Ops 6. Microsoft's purchase of Activision may lead to more crossovers and boost the game. Over the years, Activision has been no stranger to bringing different IP and real-world figures to the Call of Duty franchise.

With the Warzone and Black Ops 6 Season 1 update launching nearly three hours early, here's what you need to know about the patch, including its file size and all of the new maps, modes and weapons.