We have seen eight of the nine realms described somewhat prominently throughout the MCU. A fan theory is now proposing that we’ll see the final realm, Alfheim, in Avengers: Endgame. That’s not a bad thought thinking it would feel weird to leave only one realm out. The theory comes from Reddit user
Asgard
Midgard (AKA Earth)
Jotunheim (Home of the Frost Giants as seen in Thor)
Svartalfheim (Home of the Dark Elves as seen in Thor: The Dark World)
Vanaheim (Seen at the start of The Dark World)
Nidavellir (Where Stormbreaker and the Infinity Gauntlet are forged as seen in Avengers: Infinity War)
Niflheim (Hel as seen in Avengers: Age of Ultron)
Muspelheim (Home of Surtur and Fire Demons as seen in Thor: Ragnarok)
Alfheim is the home of the Light Elves, and well, here’s the theory in full:
Theory Suggests Thor Will Travel To Alfheim In Avengers: End Game from r/marvelstudios
That’s a crazy theory, don’t you think? It does have some weight though. I think of the three scenarios that