You can't launch Modern Warfare 3 without first launching Modern Warfare 2 : r/PS5

CoD: Modern Warfare 2 'Your Profile Was Signed Out' Fix for PC, PS5, PS4, Xbox - GameRevolution

COD Players Can't Launch Modern Warfare 3 Without First Launching Modern Warfare 2

Call of Duty: Modern Warfare III for PlayStation 4 - Bitcoin & Lightning accepted

Modern Warfare 3 Multiplayer not working on PS5/PS4: Possible fixes, reasons, and more

Modern Warfare 3 Zombies: tips and tricks for MWZ

Cannot start mw2 campaign ps5 : r/ModernWarfareII

Modern Warfare Multiplayer Not Working on PC/PS4/Xbox? [Fixed] - MiniTool Partition Wizard

Modern Warfare 2 beta release times, code access explained

Worst fear confirmed: You can't launch Modern Warfare 3 without first launching Modern Warfare 2