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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 in the third installment of the 1980s Superman franchise. Between rekindling romance with his high school sweetheart and saving himself, Superman must contend with a powerful supercomputer.
Superman III streaming: where to watch online?
You can buy "Superman III" on Google Play Movies, YouTube, Microsoft Store, Vudu, Amazon Video, Apple iTunes, DIRECTV, Redbox, FandangoNOW as download or rent it on Google Play Movies, YouTube, Microsoft Store, Vudu, Amazon Video, Apple iTunes, DIRECTV, Redbox, FandangoNOW online.