Can Thor Regrow Limbs?

Like several other characters in the Marvel Universe, Thor possesses superhuman healing in addition to his near invulnerability. While he cannot regrow a lost limb, like Deadpool, he can regenerate rather quickly, similar to Wolverine, just not quite so quick.

How does Thor grow his arm back?

When Galactus fuses the power cosmic with Thor, he is reborn like all others before him. Or in this case, regrown, emerging with long blond hair, no beard, and all his limbs and body parts intact.

How did Thor get his left arm back?

The upcoming Thor makeover brings a new costume, new responsibilities, a new eye, and even a new left arm. Thor previously lost his arm in 2014's Thor #1 after it was cut off by Malekith. After it was replaced with an arm made of Black Uru as a present from the Dwarves of Nidavellir.