Loki had said he was more than a thousand years old. Was he a Norsemen? An original Norsemen. The ancestor who came to Earth and started the first clan? No. That didn't feel like the right possible answer. So he thought about what he had said to Loki.

Warriors. Sailed the seas. Burying their dead in boats. Hygiene.

Gods.

If Loki was expecting him to recognize his name did he mean to suggest that he was a God or that he'd lived long enough to have left an imprint in Norse history?

"I didn't study Norse mythology so I'm not very familiar with their Gods. Are you telling me you're a God or that Norsemen believed you are a God because you're old enough to have actually met them? You have magic. It would make sense they would believe you a God if you used magic."