Call of Duty: Modern Warfare II delivers a cinematic single-player campaign featuring Task Force 141 hunting Iranian terrorist Hassan Zyani across Mexico, Amsterdam, and Chile. Multiplayer introduces 90+ maps at launch (including 18 maps at release + Ground War), advanced AI teammates in Spec Ops, proximity chat, customizable killstreaks, and vehicle combat with mounting/hijacking. Powered by an evolved IW 9.0 engine with cross-progression across Warzone 2.0 integration.