"I don't know what practical jokes are like where you come from, but to me this seems pretty elaborate," he says.

The roof. So their points of entry were different, which means they didn't step through some kind of portal or rift -- unless there were more than one. Asgard has been quiet lately, though. And like he said, no one here looks the part. Natasha would remember an assailant if there had been one. No matter how good they were, Natasha's better.

So that leaves them right back at square one. "Right. I see two doors, one to the right and one to the left. Looks like our options are to stay here, hope these people are friendly, or try our luck locating some sort of command center."