Call of Duty: Modern Warfare III Gameplay in 4K 60FPS Part 4 (FULL GAME) Call of Duty: Modern Warfare III is a first-person shooter video game developed by Sledgehammer Games and published by Activision. It is the twentieth game in the Call of Duty series, and third entry in the rebooted Modern Warfare sub-series, serving as the direct sequel to 2022's Modern Warfare II. Modern Warfare III retains the realistic, modern setting of its predecessors and continues the sub-series' storyline. The story follows multi-national special operations unit Task Force 141 tracking down Vladimir Makarov, a Russian ultranationalist and terrorist planning to trigger a third World War.