Thor can't quite believe it either. Not Stark's return, specifically, but the whole thing. This. What they're trying to do, one last push to right things long after he'd lost hope it was even possible. The first six Avengers, together again.

He makes a wordless noise of agreement, a sort of hum in his throat. Tries not to think bitter thoughts about how their mutual friend has seemed to move forward with life when both Thor and Steven seem stuck in their regrets. He should be grateful that Stark's small family survived the decimation, and he is. Too many families have been torn apart for Thor not to be glad that someone was spared the heartbreak. "I admit, I did not expect him to join us either."

He turns towards Steve a little, focusing on him more fully with his one good eye, at the mention of the shield. "Not because he upgraded it, I take it."