Quote Originally Posted by Shining Wrath View Post
That's also canon in the Norse religion; both were sons of Odin, but by different mothers.
Spoiler: And in the MCU.
Show
https://youtu.be/EsghUIbr2TQ
Uh. No. Pretty sure that in Norse mythology, Loki is Odin's blood brother (that is through a blood pact not biological) which makes him Thor's uncle, if anything.