Allen ti wa ni laipe rán lori kan undercover ise fun awọn CIA, joining Vladimir Makarov ni kan ibi-iṣan pa ni a papa ni Moscow, Russia. Lẹhinna, Makarov pa Allen, mọ ti rẹ otito idanimọ, ki o si fi ara rẹ sile lati tan a ogun laarin Russia ati awọn United States. Outraged nipa ohun ti o han American-tiwqn apanilaya kolu, Russia retaliates nipa ifilole kan iyanilẹnu ikọlu lori awọn East Coast ti awọn United States. pẹlu ko si ẹri ti Makarov ká ikopa ninu awọn papa massacre, Task Force 141 ti wa ni rán si Rio de Janeiro lati mu rẹ ohun ija onisowo, Alejandro Rojas. nwọn se aseyori ati ki o ko eko wipe Makarov ká nemesis ti wa ni o waye ni a Russian gulag. nwọn assault awọn gulag ati ki o gba awọn ẹlẹwọn: Captain Price, Soap ká ti tẹlẹ olori gba fun awọn SASPrice.
Orílẹ̀-èdè Rọ́ṣíà