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Old December 27 2012, 05:26 PM   #28
Ugly Sweater
Trekker4747
 
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Location: Kansas City
Re: Minor BTTF Part Two question

But that's not how time-travel works in the movies, there ARE no pre-destination paradoxes. Mart didn't have to travel back into time that night the past wasn't dependent on him and his travel back into time ENDANGERED things. So the same would apply to "the other Marty McFly." He doesn't need to travel back in time, his past isn't dependent on him.
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