There were around TWENTY (20) mainline titles in the Call of Duty series, not counting expansions, mobile versions, or remastered editions.
There are currently SIX (6) Call of Duty Modern Warfare games in the main series:
Call of Duty 4: Modern Warfare, a 2007 FPS, shifts from WWII to modern times, with gripping storylines, acclaimed gameplay, and multiplayer innovation.
Call of Duty: Modern Warfare 2, a 2009 FPS sequel, follows Task Force 141 against Russian Ultranationalists. Acclaimed campaign, multiplayer, controversy. 22.7M copies sold.
Modern Warfare 3 picks up from MW2, escalating the US-Russia conflict into global chaos. Join NATO forces against ultra-nationalist Russia.
Call of Duty: Modern Warfare, a gritty reboot, offers a darker narrative, realism, and iconic characters. Includes free Warzone mode with massive player base.
Call of Duty: Modern Warfare II, a 2022 FPS sequel, tracks Task Force 141 and Los Vaqueros pursuing a terrorist. Features Warzone 2.0. Commercial success, rave reviews.
Upcoming FPS Call of Duty: Modern Warfare III by Sledgehammer Games. Sequel to MW II, releasing November 10, 2023.