Ultimately that ending is a plot contrivance though. Like almost to the point that I feel like it’s lazy writing.
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I'm not disagreeing exactly, since basically every movie is a list of plot contrivances. I just find it less of one than, say, every "noble sacrifice" in Rogue One, or each person's individual uses in Ocean's Eleven, etc.
It just felt lazy bc they easily could have given Thor a reason to show up late, like saving a specific person’s life, which would have been in keeping with the themes of the film.