A for that scene-release format would be:

(actual group release naming: codmw3 )

It looks like you’re trying to name a file or ROM for (presumably the Wii version, based on the “USA E...” pattern).

If you meant the version:

If you meant the scene release’s original .rar set name, it would be:

or for an ISO: Call of Duty - Modern Warfare 3 (USA) (En,Fr,Es).iso