https://www.polygon.com/2017/10/30/16571688/cod-ww2-ps4-dlc-call-of-duty-world-war-ii

Today, during Sony’s Paris Games Week 2017 presentation, Sony announced the first piece of downloadable content for Sledgehammer’s Call of Duty: World War II. Called The Resistance, it will arrive Jan. 30, 2018 and will be coming first to PlayStation 4.

The release date for other platforms, including Windows PC and Xbox One, is not known at this time.