WARNING: SPOILERS. REALLY REALLY BIG ONES TOO.
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<span class=”d4pbbc-font-color” style=”color: white”>But. If you defeat 2014 Thanos in 2023, doesn’t that mean that none of the Thanos stuff from 2014 on ever happened? </span>
I’ve been thinking about this too. I didn’t like this movie’s ideas on time travel. As Antman noted, they defied the laws of time travel as established by every episode of Star Trek. I could be missing something, (I had to urinate 45 minutes into the movie but refused to go so I may have missed some details as I concentrated on not wetting myself) but here’s how I gathered it worked.
The overarching premise as stated by Hulk/Banner is:
The future can’t effect the past.
If you travel back in time the past becomes your future. Since the future can’t effect the past, you need not worry about altering the timeline.
Now how does that apply to Thanos traveling from 2014 to 2023?
In this case when Thanos travels to 2023 from 2014, he is still traveling into the future. Since the future cannot alter the past, the timeline prior to 2023 is unchanged.
I know it’s weird and I’m not endorsing it, but that’s why I think Thanos traveling to 2023 didn’t alter the timeline after 2014.
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This reply was modified 5 years, 7 months ago by nittany ram.