[He raises his eyebrow right back. There are differences between his world and the other Loki's, he knows that, but it seems this kid's from an even more different world. Though he does have the same colour scheme as Loki 1.0... maybe that's just coincidence. He'll assume so, for now.]

It isn't on Midgard where I'm from. And you're looking pretty sprightly for a dead guy, 'Loki' - Heimdallr decide to cut you some slack? Or didja get your mom to write you a sick note that day?

[He doesn't just pronounce the air quotes, he makes the gesture with his fingers, too. Patronising actual Norse gods might not be a good idea, but then, Gabriel's not known for good ideas.]