The first three Modern Warfare games are considered the fourth, sixth, and eighth installments of the main series, respectively. Modern Warfare is a sub-series in the originally World War II-themed FPS series Call of Duty, developed by Infinity Ward (with help from Sledgehammer Games and Raven Software in 3) and published by Activision, transitioning the setting to a contemporary Next Sunday A.D. Ramirez! We need to provide suppressing fire for those tropers while they describe Modern Warfare here!