"Completely unprecedented," Tom said of the song reaching the top 10 on the charts. "That's never happened. I didn't see that coming."
The 41-year-old actor while wearing a steel blue suit and white button down shirt shared that when they gave him the song he only had four days to learn it, so he practiced it all the time.
"I was so worried I was going to offend a whole nation of people," the Loki star told the host.
Tom shared that the song was specifically written for the show. "It was actually in Norwegian. As a kind of nod to the fact that Loki is a Norse god," he said.
Despite the fact that the song was in Norwegian, Tom said he didn't actually speak the language. "I speak the words of that song," Tom admitted.
Tom then recited some of the words of the song in Norwegian.
"It means something like the trees, they dance and the waterfalls stop when she sings, she sings come home," Tom said. "It was was sort of like an old folk song, which Loki could turn into a drinking song."