Frozen 3 is still years away, but Disney has teased some details about the sequel's story by way of the new Frozen: Forces of Nature podcast series. Two of the highest-grossing animated movies of all time, Frozen and its first feature-length sequel, Frozen II, captured the imagination of children everywhere with the magical Elsa and her adoring and kind sister Anna. In addition to the two features, there have been several shorts, tie-in stories, and even a Lego special that continued to expand the world of Frozen.
https://screenrant.com/frozen-3-story-details-teased-revealed/