Call of Duty: Elite confirmed as premium-tier service, MW3

[UPDATE] Activision is planning to launch subscription service alongside Modern Warfare 3; will feature extra maps, free Facebook-like social network; beta begins this summer; first trailer inside.
Call of Duty: Modern Warfare 3 is the next chapter in the best-selling Call of Duty first-person shooter action series.

COD Mobile PC Season 9 (The Conquest update) Patch Notes - MEmu Blog

Steam Community :: Call of Duty®

BlueTracker - WowChakra

Call of Duty: Modern Warfare 3 Prestige Edition KIA - GameSpot

Call of Duty: Modern Warfare 2, Call of Duty Wiki

Call of Duty Elite is a for-pay social, content service for MW3

Celebrate the Holidays in Call of Duty: Mobile Season 11 — Siren Song

Call of Duty: Modern Warfare 3 (Game) - Giant Bomb

This Week in Call of Duty® - August 17