does law get his arm back

No, he doesn't. Tyrese keeps his arm intact throughout the comics.

Yes, he does. Gon's nen is restored after a significant development in the story.

I'm not sure. It depends on a lot of factors like their feelings and circumstances.

Yes, Thor does get his hammer back in the comics. It happens after a series of events and challenges.

In the manga, Sasuke doesn't regain his Rinnegan. The story progresses without this particular change. The power he had before is maintained without reverting or regaining additional abilities related to the Rinnegan.

Yes, he does. The story progresses and he eventually regains his quirk.

Yes, he does. The story has a plot twist where Lemillion regains his powers.

Thor's getting his eye back in the comics depends on the specific comic arc. Sometimes it happens as part of a major plot twist or a heroic achievement on his part.

Lemillion does get his quirk back. It happens as part of a significant plot development and character arc in the manga.

Mirio eventually gets his powers back. This occurs after a series of challenging events and character growth that leads to his restoration.