Preorder the Vault Edition, and you'll receive the Modern Warfare III Season 01 BlackCell offering which includes the Battle Pass, BlackCell Sector that includes CP, Battle Token Tier Skips, and more.
Vault Edition holders will receive one Season of the Battle Pass and 50 Tier Skips (or its equivalent) at Modern Warfare II launch. Start to unlock the full offering of content, such as Weapon Blueprints, Operator Skins, and more  and get a serious head start.