Game sharing should work once Modern Warfare 3 is fully live on

Call of Duty: Modern Warfare III Editions FAQ

Unleash Your Inner Warrior with the Call of Duty Endowment (C.O.D.E.) Warrior Pack for Call of Duty: Modern Warfare III and Call of Duty: Warzone

Call of Duty HQ Receives an Overhaul for Modern Warfare 3

MW3 Early Access: When Can You Play The Campaign? - Insider Gaming

Can you game share Modern Warfare 3 (MW3)?

Modern Warfare 3 campaign early access start time, access - Polygon

MW3 launch times with global release for all fans

Game Sharing Not Working For Call of Duty Modern Warfare 3? Why is My Game Share Not Working On Call Of Duty Modern Warfare 3? - News

How to play Modern Warfare 3 campaign early access: Start date, preload, rewards, more - Charlie INTEL

Modern Warfare 3 Gamescom campaign gameplay premiere recap - Charlie INTEL

Modern Warfare 3 multiplayer, Zombies release time - Polygon

Modern Warfare 3 release time for multiplayer and zombies

Is Xbox Game Sharing Available for Modern Warfare 3?

Another Day, Another Broken Feature for Modern Warfare 3 - FandomWire