COD]So now that Infinity Ward, Treyarch, and Sledgehammer are all

treyarch vs #infinityward - Gamers Excellence

Call of Duty 2020 reportedly in upheaval as Activision switches studios and contemplates F2P

Sledgehammer Games has begun working on its next Call of Duty title

Activision adds Sledgehammer Games to Call of Duty rotation, joining Infinity Ward and Treyarch - Neoseeker

Surprise, surprise, Sledgehammer Games is already working on a new Call of Duty game - Xfire

Welcoming the Incredible Teams and Legendary Franchises of Activision Blizzard to Microsoft Gaming - Xbox Wire

Every core Activision studio is working on Call of Duty

Does The Public Know Who Develops Call of Duty? - Game Informer

It looks like Call of Duty: Modern Warfare 3 has been teased by Sledgehammer Games

Will there be a new Call of Duty in 2023? Modern Warfare 2, Warzone 2.0 & more - Dexerto

Treyarch rumored to be taking on Call of Duty 2020 development

This year's Call of Duty is being made by Treyarch - Polygon

Call of Duty: Next: Every Major Announcement and Call of Duty Endowment ( C.O.D.E.) Bowl IV [UPDATING]

Activision is tripling the size of its Call of Duty studios

Modern Warfare III Reeks of Stagnation