bucky has been an Avenger for a few years, married to Jax Stark, Now Jax Barnes after marrying bucky. Bucky is cold but soft, Jax is sassy but bubbly.

Tony was walking into the meeting room, he says

Tony: behind you

Jax: Dad, the only thing I see behind me is 50 pounds of ass!

Jax said while pointing at bucky behind her, bucky and the team burst laughing, while Tony frowns.