From Press Release:
We have a new trailer featuring Call of Duty: Black Ops 4’s new free content update,Operation Absolute Zero, at the following link: https://www.youtube.com/watch?
More details can be found at the Treyarch blog, here. Additional information and content will also be revealed on December 11th. For the latest intel, fans can check out:
www.callofduty.com and www.youtube.com/callofduty