There was an obvious few moments where the Soldier digested the order from Stark, weighing it against his inner mission and determining if the other man held rank to give him orders, before his expression shut down. The bare flickers of humanity, of confusion and pain, were gone behind shuttered stoicism.

"I'll be watching."

Which is definitely not at all worrying and nightmare inducing.

"He's not to know."

It was part of the confusion, but something about seeing Rogers' stupid giant face on top of his stupid giant body just made everything that much more fractured.