- the war between the Asgardians and the Jotunns was based on the Aesir-Vanir war (the Jotunns were in fact a non-hostile/antagonistic race)
- Odin's ravens Huginn (thought) and Muninn (memory), who gather information in Midgard and relay it to Odin, are sitting on his throne during Thor's coronation ceremony
- the symbol seen at the Weapons Vault and on Mjolnir is the triquetra, a religious symbol. Its ancestor is the valknut, a German symbol associated with Odin.
- the Bifrost, originally thought of as the rainbow by the Norse, is seen as a beam of rainbow light
- when Odin appears in Jotunheim, he is riding his eight-legged horse Sleipnir
- a Jotun calls Thor a "little princess" - once Thor's hammer was stolen and he dressed up as a Princess to go back and retrieve it
- Laufey and Thor describe Loki as mischievous and a talented liar, a homage to Loki's titles as the god of mischief and lies
- Thor asks for a cat to ride - Thor's mother Frigga has her chariot pulled by two large blue cats, a gift from Thor
- and Thor shows Jane a drawing of a crossroads with nine orbs in it - his perception and representation of Yggdrasil, a great tree around which the nine worlds are tethered, making up the universe.
- the Tablet of Life and Time, a slab that can extend one's lifetime
- the Orb of Agamotto and the Eye of Agamotto (plays a major part in Doctor Strange (2016))
- the Eternal Flame, a mystical flame that cannot be extinguished
- the Casket of Ancient Winters, an enchanted container filled with frosty winds (plays a major role in this film)
- and the Infinity Gauntlet, a glove encrusted with six reality-bending jewels (plays a major part in Avengers: Infinity War - Part I (2018) and Avengers: Infinity War - Part II (2019)).
- Odin lost an eye in a battle with the Jotuns; in Norse legend, he gave up an eye to attain cosmic wisdom
- in Norse legend Loki is Odin's adopted brother, not Thor's. Loki was also the god of fire and not a Frost Giant.
- and Laufey was originally Loki's mother and not his father (this change was found amusing in Iceland since Laufey is still a popular female name there).