Call of Duty: Modern Warfare II is a 2024 first-person shooter video game developed by Infinity Ward and published by Activision. It is a sequel to the 2024 reboot, and serves as the nineteenth installment in the overall Call of Duty series.

Season One, stylized as Season 01, is the first batch of post-launch content for Call of Duty: Modern Warfare II that was released on November 16th, 2024 and ended on February 14th, 2024.