If you don't complete a Challenge that day, you'll miss out on that day's 2XP Token reward. Return each day for a new 2XP or 2X Weapon XP Token Reward. New Daily 2XP Token Reward can now be earned by completing your first Daily Challenge of the day in Multiplayer or Zombies. Irons Sights have been pushed out for the following: New SMG available via in-game challenge in Multiplayer or Zombies, or via unique Blueprint version in the Store. A full rundown of the Call of Duty Cold War patch notes can be found below: