His gaze goes from interested to stunned disbelief, then shifts into something much sharper as he listens.

"So," he says, when Wei Wuxian has finished explaining. "You can do mind control. Of monsters and demons. Through magic."

Silence, for a long, long beat. He wraps his hand around his coffee mug.

"And you have a friend who's a zombie? Whose mind you returned? Does he remember what happened to him?"

This guy looks like a strong wind might blow him over, and he's sitting here talking about things that HYDRA would salivate to get their hands on.