He's actually surprised to see Loki here. Even stifled as he is, it seems like this work would be... beneath him? Is that the right way to phrase it? At least he's been damn good help.

He stands to reach across the table, offering his hand to do one of those friendly double-hand-claspy shakes.

"Heeey, how are you holdin' up! Great to see you here."

And he actually means it, and it carries through in his voice. "Have a seat."