The game's campaign follows up the story of Black Ops and is set in the late 1980s and 2025.

A campaign cameo clinches it Black Ops and Modern Warfare share a universe. There's a moment in the Cold War campaign where you're invited to attend a meeting with the KGB's inner circle. It's not on Zoom, and you're seated right next to Gorbachev. Closer than Jared Harris was in HBO's Chernobyl.

Good News: You Can Play Call of Duty For Free\n\n There are two ways that you can play Call of Duty for free, and they're both dramatically popular. Firstly, there's the Warzone ecosystem, which is made up of Call of Duty Warzone and Call of Duty Warzone 2.0.