The first teaser trailer for Call of Duty Black Ops: Cold War hit YouTube. The trailer features footage from a real-world interview of Soviet defector and ex-KGB informant Yuri Bezmenov and urges players to know their history lest they be doomed to repeat it.
https://www.notebookcheck.net/Activision-drops-new-trailer-for-Call-of-Duty-Black-Ops-Cold-War.489032.0.html
We need a COD game that has MW2's level of story, BO1's twist, Interesting Ghosts, Character-likeable as Reznov, WaW's chaos and epicness, and IW's guns.
Imagine COD having its own connected universe. Like the MCU, where every single movie is connected.
I think the Modern Warfare references in Desperate Measures just hinted that. Here is the Dedicated blog of COD "Downsights" for all types of COD guidelines.