[Not murdering people at his party would be great, thanks. But he'd followed through on his promise to make cupcakes, so Tony's glad to have him there. Especially, since, you know. Cupcakes.
Tony, of course, narrows in on the cupcakes Castiel as soon as he arrives, and a few minutes later seems to appear out of nowhere at Castiel's side. He picks up one of the cupcakes, messing up Castiel's neatly arranged row.] These weren't too much trouble, I hope?