dune part three - Robuta Search

https://screenrant.com/db/movie/dune-part-three/

Dune: Part Three: plot summary, featured cast, reviews, articles, photos, videos, and where to watch.

https://www.indiewire.com/news/breaking-news/it-sure-looks-like-dune-part-three-release-date-1235021410/

Nothing has been formally announced, but a new December 2026 placeholder sure sounds a lot like "Dune: Part Three"