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During the commentary track for Avengers: Infinity War, co-director Joe Russo revealed that Thor’s grandfather, Bor, nearly returned in the Marvel Studios epic.

“We explored a lot of different ideas of where Thor could go for that weapon. We even had versions of the story at one time where he was going to visit this sort of ghost of his dead grandfather – which was one version we were playing with that we didn’t end up using. I am happy where we had settled.”

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