I realize this is pretty much over now but I just want to document this here for the record since I haven't seen it elsewhere on VSB:
This is the real Kenneth Branagh director's commentary to Thor 1.
https://mega.nz/file/bAN0AKhD#_GGK_0fhbUuyUrjBvIqybPG7oC3dGvpwvMQWbI_ftbE
He identifies himself at timestamp 0:18 and he says the following at timestamp 1:36:36:
"Two brothers whose conflict now is potentially liable to see the destruction of part or
all of the universe but certainly Jotunheim."
This is base level Thor the director is talking about, who stopped the threat by destroying the Bifrost Bridge and tanking the explosion of
its energy beam that was putting the universe at risk.
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And as I previously posted, on the official Disney Plus platform Thor 1 director Kenneth Branagh also says
Mjolnir = "galactic nuclear explosion," a real thing involved in the creation of galaxies due to colliding black holes:
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https://arxiv.org/pdf/0801.4809.pdf