If you found Avengers Endgame’s time travel a bit of a head-scratcher you weren’t the only one. The Marvel epic went out of its way to be closer to the real-life theory of travelling to the past, rather than the sci-fi tropes we’re used to in movies like Back to the Future. However, it now turns out the time travel rules were changed during the reshoots.
Speaking with IndieWire, Ancient One star Swinton revealed that her reshoots added an important time travel explanation.
On returning as her character, who died in Doctor Strange, for a scene in 2012 New York, she said: “It was a surprise to me, too!
“And it was a pleasure. But what was a real surprise was, we shot it one summer day, and then over a year later, I went back to reshoot it because a couple of lines had been changed.
“A couple of plot points had been changed and there was a tweaking of my costume.”
Asked to clarify what the big change was, she said it was adding in the “very, very important.” visual timeline.
Specifically, this was when the Ancient One tells Bruce Banner that the Infinity Stones cannot leave their timeline due to being at risk of creating a worse alternate future.
This is when Hulk points out that if the stones are returned to the exact moment in the timeline, it’s as if they never left.
Swinton added that the new lines tied into emphasising how the time travel rules were not what sci-fi fans are used to in movies like Back to the Future.
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