Between legacy double XP tokens and the season 1 battle pass, Black Ops 6 players have many ways to keep leveling up fast. Here's how to use your MW3 double XP tokens.

Treyarch, the developer behind Activision's Black Ops 6, says the tokens should be restored in a later update.

For a fleeting moment last week, Black Ops 6 players were able to use their old double XP tokens from Modern Warfare 2 or 3 ...