he who hesitates is toast

"That's who she is," Bucky tells him. He glances away from Sharon to T'Challa, just for an instant. "Nakia's a friend of hers, but she would have done it anyway. It's why she joined SHIELD all those years ago. To-- to protect. No matter how --"

He swallows back the tears that are fighting to drown him in a sea of fear and grief.

"Thank you for taking care of her, your Highness. I'll be waiting in the lab when you get here."