"All righty then. You'll have your favor... like, whenever you need it." Drunken!James thought this whole favor thing sounded like a great idea. He got what he needed now and didn't have to pay for it until later. Perfect, right?
"Asgard, huh?" James thought about that for a moment. "...I have no idea where that is." He might have made the connection to Norse Mythology if he'd been sober. But it was probably not a connection he was going to make.