when did modern warfare 2 come out

There are two different games titled "Modern Warfare 2" in the Call of Duty series:

1. The original Call of Duty: Modern Warfare 2 was released worldwide on November 10, 2009, for Windows, PlayStation 3, and Xbox 360. It is the direct sequel to Call of Duty 4: Modern Warfare.

2. A newer game titled Call of Duty: Modern Warfare II (2022) was released on October 28, 2022, for PlayStation 4, PlayStation 5, Windows, Xbox One, and Xbox Series X/S. This game is a sequel to the 2019 Modern Warfare reboot.

If the question refers to the original Modern Warfare 2, the release date is November 10, 2009. If it refers to the latest Modern Warfare II, the release date is October 28, 2022.