A teaser for "Dune: Part Three" has been released, featuring Timothée Chalamet as Paul Atreides. The film, based on Frank Herbert's novel "Dune Messiah" and directed by Denis Villeneuve, is expected to bring a significant change to the sci-fi saga. Details about the movie, including its release date and runtime, are being reported, but the exact nature of the change and other specifics remain unclear.