'The marquis. Well, you know, to be honest, he seems a little bit dodgy to me.'
'Mm,' she agreed. 'He's a little bit dodgy in the same way that rats are a little bit covered in fur."
Notice how Odin says "you are" instead of "thou art".
The antiquated mode of speaking seems to have crept in later. You can see it here in JIM 120[ish]. Somewhere along the line Stan Lee must have decided to change the gods mode of speech. I wonder if I can find which issue that started?
Irene Adler: “I would have you right here on this desk until you begged for mercy twice.”
Sherlock: “I’ve never begged for mercy in my life.”