The first-person shooter was recently officially announced, and is set to have its full unveiling on June 9.
Treyarch's Nicole Havin also teased that fans "aren't ready" for the title, which will have a dedicated Direct after the Xbox Games Showcase.
The next instalment in the Black Ops series will be globally unveiled on June 9, Microsoft has confirmed.
After days of recent teases, Activision has formally announced this year's Call of Duty game, titled Black Ops 6.
