Superman III, the third film in the Superman series, was released to the public.
Filming and production activities started for the movie Superman III.
Christopher Reeve agreed to reprise his role as Superman/Clark Kent for the third installment.
Clark Kent continues his job as a reporter at the Daily Planet in Metropolis, maintaining his secret identity as Superman.
Gus Gorman, a skilled but unscrupulous computer programmer, is hired by Ross Webster to help with his computer and industrial operations.
Clark Kent begins to look into Ross Webster's suspicious business dealings as reports of strange events increase.
Superman confronts Gus Gorman after witnessing his involvement in cyber-related crimes and industrial sabotage orchestrated by Webster.
Gus uses advanced computer programming and chemistry to synthesize kryptonite, which can harm Superman.
Under the influence of the artificial kryptonite, Superman loses control and behaves unpredictably, causing chaos in Metropolis.
Recovering from the kryptonite's effects, Superman stops Ross Webster's evil schemes and restores order.