Thor; Odin; Celestials [The One Above All; Arishem]; The Forgotten One; Eternals [Zuras; Ikaris; Thena; Sersi; Delphan Brothers; Sprite; Makkari]; Mutates [Karkas; Reject]; Sleipnir (Odin's Eight-Legged Horse); Argus the One-Eyed; Zeus; Ares; Hercules; Athena; Karnilla the Norn Queen; Balder (cameo); Frigga; The Midgard Serpent (flashback; cameo); Heimdall; Sif; Destroyer; Lodur
Synopsis
The Eternals give Thor one day to try to stop the Celestials before they attack. Thor tries to return to Asgard but is stopped by the combined might of the Asgardians on the Rainbow Bridge and thrown back down to Midgard.