Craig Celestin

Question: If Marty goes back to the future and sees a duplicate of himself go back to the past, would the duplicate see the Marty that had just got back to the future watch him (the duplicate that goes to the past), thus 3 Deloreans and infinitely more Deloreans as it continues...and so on and so forth, or is that the the universe rewriting his timeline to prevent this time loop of paradoxical events?

Craig Celestin

Chosen answer: There wouldn't be infinitely more Deloreans, as versions of Marty would keep having to leave in order to appear at a different point in the timeline to watch himself. There's no real limit on how many there could be at once though - at one point on November 12th 1955 there are four Deloreans in Hill Valley at the same time (brought there by Marty from the first film, Marty from the second film, Biff from the second film, and the one Doc buried from 1885). They're all the same car, just travelling from different points in time.

Jon Sandys

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