[His steps slow, remembering, remembering what it means to be close to Loki. That this Loki is not the younger and while ribbons of green light do not appear in his eyes like the Northern Lights, this is the one that has been scarred and scorched. More so than Thor has ever seen him and he does not like it.
The conversation between Tony and Banner is heard, but no comment made. Loki must be returned to Asgard. The Bifrost -- the Bifrost is -- the Bifrost was -- Thor's brows come together heavily, too many pieces and fragments coming together in his mind. He reaches out, determined more than wary and curls his fingers around Loki's neck, intending to drag him close, if not drag him all the way back to the Bifrost site. The dagger he expects, and keeps Mjolnir low to block it.]