In Thor: Ragnarok, is Hela supposed to be Thor's full sister i.e. Odin's AND Frigga's daughter?
Or just Odin's?
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Sign up to join this communityIn Thor: Ragnarok, is Hela supposed to be Thor's full sister i.e. Odin's AND Frigga's daughter?
Or just Odin's?
Hela is officially Odin's daughter and Thor's older sister. She was born before Thor and was Odin's heir before he banished her. Hela is also Loki's older adopted sister.
As to whether Hela is Frigga and Odin's daughter, it's left for debate and on her Marvel Cinematic Universe wiki page, it only states she is Frigga's possible daughter:
Relationships
Family
Asgardian Royal Family
Buri † - Great-grandfather
Bor † - Grandfather
Odin † - Father and Enemy
Frigga † - Possible Mother
Thor - Brother, Enemy and Attempted Victim
Loki - Adoptive Brother, Enemy and Attempted Victim
Furthermore on her page, it states only that she is the daughter of Odin Borson:
The oldest child of Odin Borson, Hela had served as her father's personal executioner and the leader of the Einherjar, helping him Conquer the Nine Realms through violence and war.
As far as we know, Frigga is Odin's only known consort and the question of Hela's mother has never been addressed or answered by any of the actors or directors. Nonetheless, Hela would be Frigga's daughter; it would just be the question of whether it's by marriage or blood.
Spoilers for Avengers: Infinity War
Thor tells Gamora that Hela is his half-sister, confirming she is not the daughter of Frigga but only of Odin. Her MCU wikipedia page has changed Frigga's relational status to Hela from "Possible Mother" to stepmother.