Thor's hammer has been destroyed by Perrikus, Destroyer's hand blast, clashing with 2 faux Mjolnir's, smashing it off Bor who just lost to Angela, Molecule Man, Mephisto, and channeling a Godblast through it.
Color me shocked if the most powerful weapon in Zelda doesn't destroy it as well.
Time line split. One has a sun inside it, one held a continent in a time-lock, and one was reforged to be four times stronger and made of gold. I'm also pretty sure it existed before it was turned into the goddess sword as well, but my memory on that is a little shacky.
Gender: Male Location: 1/9.7'rd Horseman of the Apocalypse
Golden sword is non-canon, ALBW shows it was not reforged, it was an optional thing.
The sun thing is valid, but the MS's ability to hold either two continents (Hyrule spans two continents as per HH) or more likely the world beneath the great sea is not tied to any upgrades.
The sun thing isn't really relevant to fighting Thor, though. And yeah, the MS did exist before being the Goddess Sword, it was originally a sword made by gods to be used only be them, and the first Hero reforged it in his spirit or something. Somehow it later became the Goddess Sword, and SS Link later turned it into what it basically is in every game after, with the exception of the sols in the one timeline.
Gender: Male Location: 1/9.7'rd Horseman of the Apocalypse
Ganon is not a good metric for physical toughness, physical harm means nothing to him. Though there are several other moments in TP that can be used to scale the two Links to one another.
There's the first one that comes to mind, there's another which we already sorted out privately, which was a matter of your post missing a comma.
Gender: Male Location: 1/9.7'rd Horseman of the Apocalypse
Even composite Link cannot compete with Comic Thor physically, the guy is FTL and as was posted earlier can destroy planets with the shockwaves of his strikes. Thor without the idiot ball in hand is also very versatile, so if Link had the ToP or something (it's composite, so maybe this is the case?) Thor could overcome it.
Gender: Male Location: 1/9.7'rd Horseman of the Apocalypse
ALBW did as well, and IIRC at the end of Zelda II Link had the whole thing, too.
The completed Triforce is a fun can of worms. I'd rather cross that river when I get to it, than have the discussion happen now and drown out the debate about MCU Thor.