The leak recently came from the PS Store, which showed the schedule for the big reveal this coming August 19, 2021. This new teaser has some interesting scenes that hints of the next setting of the game, which should be World War 2.
The video, however, has some rather bizarre parts where it shows a face of a person drawn by bullet holes, burnt metal, barb wire, plastic, and many more.
The last section of the Call of Duty: Vanguard official teaser video showed an image that is similar to the leaked cover art before, confirming it to be real and not just photoshopped images. The worldwide reveal was also announced, August 19, 2021, 10:30am PT. same as the leak just recently.
Call of Duty: Vanguard to be revealed in just two days. No official platforms have been announced yet, but it should be released on PC, PlayStation 4, PS5, Xbox One, and Xbox Series X/S.