Revealing mistake: In several scenes Superman has fillings in his teeth.
Superman (1978)
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Directed by: Richard Donner
Starring: Christopher Reeve, Gene Hackman, Margot Kidder, Marlon Brando, Ned Beatty
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More mistakes in Superman
Lex Luthor: We all have our little faults. Mine's in California.
Trivia: To get the muscular build required to play Superman Christopher Reeve went on a training regime supervised by David Prowse who played Darth Vader in the first Star Wars trilogy.
Question: When Superman went back in time to save Lois, doesn't that mean that the people that he had originally saved are now doomed to die?
Chosen answer: No. Because the version of him *before* he time-traveled is still out doing those things. The REAL question is, what happens to that Superman, seeing as Lois no longer dies and he has no reason to travel back in time.
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Answer: There are generally two methods of time travel. Skip vs Slide. When you slide through time, you are in essence rewinding or fast forwarding a tape. Time will accelerate to the desired moment. This method, the traveler will witness the rewind and will only allow one of them to exist. When skipping, you are plucking yourself from the time stream and placing yourself in the desired moment. This method, travel is instantaneous and can allow for multiples of the traveler to exist at once. Superman rewound time. He used the slide method and went directly to Lois after doing so. This means those he previously saved...died after his reversal.
Or he could have used the skip method. Like you said, it enables a traveler to pluck themself from the time stream and placing them at the desired moment allowing for two Supermen to be able to prevent both missiles from reaching their destinations.
He couldn't have used the skip method if he rewound time.
Bishop73