Sledgehammer Canceled a 'Call of Duty + Uncharted' Game, Scrapped Advanced Warfare 2 to Make Call of Duty: WWII - FandomWire

Call of Duty was about to take inspiration from another gaming franchise, and make a sequel to a COD game, but they made another game instead.

Canceled Call of Duty Game Compared to Uncharted in Vietnam

“Call of Duty: WWII” Revitalizes the Franchise – The Banner Newspaper

Call of Duty: Modern Warfare III Was Made in 1.5 Years; Sledgehammer Wanted to Make Advanced Warfare 2 Instead

They can go backwards: Call of Duty Director Signals Multiple Prequel Projects Likely in the Works after Modern Warfare 3 - FandomWire

PlayStation Studios, OT37, Your friendly neighborhood OT Sony - OT, Page 85

Call of Duty developer explains Advanced Warfare 2 axe

Call of Duty: Advanced Warfare Sequel, Call of Duty Wiki

Former Sledgehammer Creative Director Reveals Scrapped Plans for Advanced Warfare 2 and a Third-Person Call of Duty-Meets-Uncharted Game! - EssentiallySports

Sledgehammer Games, Call of Duty Wiki

Concept art from SledgeHammer cancelled Call of Duty game emerges

Concept art from SledgeHammer cancelled Call of Duty game emerges

How Sledgehammer Games went on the expansion path for Call of Duty: Vanguard

PlayStation Studios, OT37, Your friendly neighborhood OT Sony - OT, Page 85