For a limited time from December 15 through December 19 2022, play Multiplayer in Call of Duty: Modern Warfare II for FREE! The Free Access period features fan-favorite 6v6 modes and an all-new Third-Person mode on maps such as Shipment, Farm 18, and El Asilo!

https://www.callofduty.com/blog/2022/12/call-of-duty-modern-warfare-II-season-01-free-access-modes-multiplayer-maps