According to a leak from a retailer in UK, the third DLC Pack for Call of Duty: WWII is United Front and is available June 26 on PS4.
Join the United Front and experience the dramatic drive toward Berlin across three new multiplayer maps: Stalingrad, Market Garden, and Monte Cassino. Armour up and push across North Africa in a new objective-based War Mode mission: Operation Supercharge. Plus, join new heroes in a unique WWII Zombie experience.
SOURCE: O2 via PrestigeIsKey