[Steve bites his lip. Wow he had really not expected all of this. He doesn't really feel a tonne of sympathy for Loki, but it's not nice to lose a parent no matter how messed up you are. It's obvious that Loki still cares about that. And of course, that means that Thor lost his mother as well.]

I'm sorry. I didn't know.

[He draws a breath.] Listen, Loki. We're not on Earth or anywhere you've probably heard of. We've been kidnapped and brought to a city in a pocket universe.