Not Such a Risk
"Buck, I gotta ask -- are you here of your own free will, or did Clint kidnap you and force you to watch Dog Cops?” Steve smirked as he glanced from Bucky to Clint.
“Hey!” Clint objected just as Bucky said, “Bit of column A, bit of column B.”
Clint huffed indignantly. “As I remember it, I was minding my own business when you barged in here and started questioning my eating habits.”
***
Or, Clint has been acting as Steve's and Bucky's dom separately for weeks now, but the three of them have never done a scene together.