Thor has lost a few different things throughout the Marvel Cinematic Universe, so I would need more context to give you a specific answer. Can you please provide me with additional information about which movie or situation are you referring to?
What happened to Thor’s hammer?
In the Marvel Cinematic Universe, Thor’s hammer Mjolnir was destroyed by his sister Hela in the movie “Thor: Ragnarok”.
Why did Thor lose Mjolnir?
Thor lost Mjolnir in the movie Thor: Ragnarok because his long-lost sister, Hela, destroyed it.
What happened to Thor’s eye in Ragnarok?
In Thor: Ragnarok, Thor lost his right eye during a battle with Hela, the goddess of death.
How did Hela destroy Thor’s hammer?
In the movie “Thor: Ragnarok”, Hela destroyed Thor’s hammer, Mjolnir, by squeezing it with her hand and shattering it into pieces.
Did Thanos take something important from Thor during their fight?
Yes, during their fight in the opening of Avengers: Infinity War, Thanos destroyed Thor’s ship and killed many of the Asgardians onboard, including Loki. He also took the Space Stone from Loki, who had previously acquired it.