Superman III (1983) is a Comedy, Science Fiction, Action, Adventure film that follows aiming to defeat the Man of Steel, wealthy executive Ross Webster hires bumbling but brilliant Gus Gorman to develop synthetic kryptonite, which yields some unexpected psychological effects. Between rekindling romance with his high school sweetheart and saving himself, Superman must contend with a powerful supercomputer. Currently, you can watch Superman III on HBO Max, HBO Max Amazon Channel, Cinemax Amazon Channel, Cinemax Apple TV Channel. Streaming availability may vary by country and platform over time. It has a user rating of 5.5 out of 10 from 1,850 votes. Fans of comedy movies may also want to explore similar titles below.