Yasha, Sam mouths, and leans over to whisper to Steve, "Did you know about any of this?"

Steve shakes his head at Sam and looks at Yelena. "If you agree," he says, firmly, "you'll be going in undercover with Bucky." ("James," Natasha murmurs.) "We'll give you the details when you get here, if you come, but it's going to be dangerous. You can say no."