For a second, it looks like Thor is on the verge of something. He even opens his mouth and then thinks better of it and closes it.

But in the end, Thor doesn't know what to say to that. He's embarrassed that he couldn't see through Loki's illusions given how easily he was able to do it when he returned. And he's angry at Loki for putting up this charade as long as he did without any sense of remorse.

Skurge coughs from his side of the room.