For Black Ops Cold War, it saw the return of 2v2 Gunfight, a new Fireteam map as Raid returned from Black Ops II.
In the Call of Duty-verse, Call of Duty: Black Ops Cold War and Call of Duty: Warzone kicked off Season One in mid-December (after a short delay to avoid Cyberpunk 2077). If you have enough fun that you consider actually buying the game, then you’ll be glad to hear that any progress you make will carry over to the full game.