[He had almost meant it as a question for Loki himself, because if Steve could want a fresh start, why not Loki? After insisting that he wasn't guilty there, in Quarantine, why wouldn't this Loki want a fresh start too? Because it just denied his core existence? The same way it felt instinctively wrong for Steve to act against his nature and turn down a challenge. But that question isn't part of their light verbal sparring.]

Captain America is what gave Steve Rogers his place. And I'm glad that it happened. What about you? There's no Asgard here. You could start over.