Call of Duty MW4 DMZ
The Grid in MW4 DMZ

Wider area: The Grid. Location context, not a picture of this key or a surveyed doorway.

Keys

Bank Branch Vault Access Key

Rare

Reported key for bank-branch currency storage; this is a bank-access key rather than a named boss-room key.

Characteristics

Map
Hajin
Area
Bank branches
Rarity
Rare

Reported destination and access

Check the specific branch and its hidden access route. A bank location is not a guaranteed key pickup.

How to get the key

Reported in South Korean bank branches; a repeatable pickup has not been established.

Sources: Dexerto ยท Native gameplay. Checked November 4, 2026.