https://www.gamespot.com/articles/destiny-2-curse-of-osiris-dlc-release-date-details/1100-6454473/

As part of Sony's Paris Games Week showcase, the company showcased the reveal trailer for Destiny 2's first DLC expansion. As we previously learned, it's called Curse of Osiris, and it centers around the titular character and the planet Mercury.

Destiny 2 recently launched on PC, but this expansion is headed to that platform in addition to PS4 and Xbox One.