The scene at the beginning of the film, the urban area of the metropolis, was shot in Calgary, Canada.
The program Gus designed at the beginning of the film is impossible to complete.
The video game played by Ross Webster in the film was designed specifically for the film, and it was very realistic at first, but later the filmmakers requested that the computer style of the game be more obvious in order to make it obvious to the audience.
The scene where Superman straightened the Leaning Tower of Pisa was originally planned to be filmed in "Superman Sequel", and the ending scenes of Superman in space are from the first "Superman" in 1978. Both "Superman Sequel" and "Superman 4" I used this lens.
Actress Enid Saunders played a role named Minnie Benest in the film. This is a secret joke made by director Dick Lester. He has the same name in his long-term collaboration with the BBC show "The Goon Show" figure.
The film was originally titled "Superman vs. Superman".
Gus had a line in the film "I don't believe a man can fly!", and the slogan for the first episode of "Superman" happened to be "You'll believe a man can fly".
The screenwriters of the film originally wanted Alan Alda to play Ross Webster because they wanted the actors to be cruel and charming.
When the producers first revealed that Lana in the film was a single mother, the comic book that followed quickly explained Lana's situation.
When Clark became Superman, the little boy waiting next to the photo-booth was the young actor who played Carl Al in the first episode of "Superman" in 1978.
Margot Kidd's appearance in the film was less than 5 minutes, and there were only 12 lines of dialogue. This was caused by her grievances during the shooting of "Superman Sequel" for Richard Downer being dismissed midway. result.
In the film, Gus’s technique of stealing company money is called the “salami technique”which refers to the use of computer code to manipulate a computer toamount of money from an authorized transaction, and to re-designate a path to accumulate the small amount of money to the hacker Computer crime technology in the account.
Although the film was completed two years after the launch of the "Superman Sequel", Christopher Reeve has been away from the role of Superman for 4 years, because his part in the sequel was filmed as early as 1979.
The film is the first Superman movie where Christopher Reeve has become the top actor. In the first episode, he is behind Marlon Brando and Gene Hackman, and in the sequel he is second only to Gene Hackman.
