The sub-series received a reboot with Modern Warfare in 2019, Modern Warfare II in 2022, and Modern Warfare III in 2023. Two other entries, Modern Warfare 2 (2009) and Modern Warfare 3 (2011), were made. Call of Duty 4: Modern Warfare (2007) introduced a modern setting, and proved to be the breakthrough title for the series, creating the Modern Warfare sub-series a Modern Warfare remastered version released in 2016. The series originally focused on the World War II setting, with Infinity Ward developing Call of Duty (2003) and Call of Duty 2 (2005) and Treyarch developing Call of Duty 3 (2006). The next title, Call of Duty: Modern Warfare III, will be released on November 10, 2023. The most recent title, Call of Duty: Modern Warfare II, was released on October 28, 2022. Several spin-off and handheld games were made by other developers.

The games were first developed by Infinity Ward, then by Treyarch and Sledgehammer Games. Call of Duty is a video game series and media franchise published by Activision, starting in 2003.

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