Call of Duty

Call of Duty - Wikiwand
History of Call of Duty (2003 - 2019) - YouTube
The Dark & Bizzare Call of Duty Iceberg Explained - YouTube
《使命召唤》系列剧情解说 - YouTube

COD Reviews - YouTube Ch0pper
History Teacher Explains Games - YouTube

CoD 1-3, CoD:WAW are good games in World War II era

CoD MW 1-2, CoD Black Ops 1-2 are the only one that's worth playing for modern era

Co op campaign:
Call of Duty: World At War
Black Ops 3

Call of Duty: Modern Warfare

Original

MW1:
US army attack on rebel group in middle-east, leading to a nuclear bomb attack; Task Force 141 tracked the rebel leader with Nikolai's intel, stopped Zakhaev plan to nuke the world, Gaz died, Russian army saved the day
MW2:
Makarov, Zakhaev's right-hand man, provoked Russia to attack US soil with the airport massacre, you played as a soldier to defense US; Task Force 141 track down Makarov's arms dealer in Brazil, then rescued Captain Price from Gulag; Price fired a nuke at the atmosphere of East Coast as EMP, this help the group force to regain control of D.C Washington; General Shepherd killed Task Force 141 members to take all the credits and cut off his link to undercover agent Allen; Soap kills Shepherd at the end
MW3:
Half of the campaign is a filler, Nikolai and Price saving wounded Soap, Makarov captured Russia President who is on his way to a peace negotiation. Task Force 141 tracked Makarov's chemical weapon in Africa, but failed to stop it from transporting to Europe for a terrorist attack. The attack was a cover for Russia's attack on Europe, Delta Force is to protect US Vice President in Hamberg. Task Force 141 and Delta Force track down Makarov's contact in Somalia and Paris. Task Force 141 find Makarov in Prague, but Soap died in the battle. Task Force 141 and Delta Force then rescued Russia President and stopped Russia's invasion in Europe. Captain Price and Yuri tracked down Makarov in Juggernaut suits and finally killed Makarov with the sacrifice of Yuri.

The Modern Warfare Trilogy: The COMPLETE Campaign Retrospective - YouTube
Call of Duty: Modern Warfare Complete Timeline (Original Saga) - What You Need to Know (Updated) - YouTube
The Call of Duty Modern Warfare Series Timeline | The Leaderboard - YouTube
The Complete Call Of Duty Modern Warfare Timeline! | The Leaderboard - YouTube
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最新的決勝時刻19的遊戲劇情究竟如何？〖遊戲不止〗 - YouTube MW2
【下飯專用】一口氣看完《現代戰爭三部曲》，一部關于背叛和複仇的遊戲電影 - YouTube
《使命召唤：现代战争》三部曲系列故事 - YouTube