- Odin lost an eye in a battle with the Jotuns. In Norse legend, he gave up an eye to obtain cosmic wisdom.
- In Norse legend, Loki is Odin's adopted brother, not Thor's.
- 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).
- The war between the Asgardians and the Jotunns was based on the Aesir-Vanir War (the Jotunns were, in fact, a non-hostile, non-antagonistic race).
- Odin's (Sir Anthony Hopkins') ravens Huginn (thought) and Muninn (memory), who gather information in Midgard (Earth) and relay it to Odin, are sitting on his throne during Thor's coronation ceremony.
- The symbol seen at the weapons vault, and on Mjölnir, 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.
- Heimdall's golden observatory is based on the Himinbjorg, Heimdall's home.
- When Odin appears in Jotunheim, he is riding his eight-legged horse Sleipnir.
- A Jotun calls Thor (Chris Hemsworth) a "little Princess"; once, Thor's hammer was stolen and he dressed up as the love goddess Freya to retrieve it.
- Fandral (Josh Dallas) and Thor each describe Loki (Tom Hiddleston) as mischievous and a talented liar, an homage to Loki's titles as the god of mischief and lies.
- Thor asks for a cat to ride. Thor's mother Frigga (Rene Russo) has her chariot pulled by two large blue cats.
- Thor shows Jane Foster (Natalie Portman) a drawing of 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 Eye of Agamotto, a mystic artifact wielded by supreme sorcerers of Earth.
- The Warlock's Eye, an artifact that can control people's minds.
- The Eternal Flame, a mystical flame that cannot be extinguished (played a major role in Thor: Ragnarök (2017)).
- The Casket of Ancient Winters, an enchanted container filled with frosty winds (played a major role in this movie). T
- he Infinity Gauntlet, a glove encrusted with six reality-bending jewels.
However, later on in the Marvel Cinematic Universe, Thanos had started to construct the Infinity Gauntlet, and Doctor Strange (2016) revealed the Eye was being held in Kamar-Taj. Thor: Ragnarok (2017) fixed this inconsistency by having some of the items in the vault be considered as fakes.
- There are Nine Realms.
- Above the door of Jane's lab is the street address 1001, which in binary code is the number nine.
- The 7-11 store is prominently seen in the middle of town. Halfway between 7 and 11 is nine.