the causal mechanism of free will (джен)

When Tony Stark confronted Loki all on his own, there were a lot of things he expected the villain to do. Passing out and bleeding all over his penthouse floor is not one of them.
OR
The Avengers find out that Loki isn’t exactly invading Earth of his own accord.
DAY 9: “Learning everything ain’t what it seems, that’s the thing about these days.”