You and Black Widow, Natasha Romanoff, were dating, the team however didn't know. So when Steve came calling for Natasha while you were making out you panicked "It's Steve!" You whisper yell as you pull away from Natasha in a panic "What's he going to think if he sees us together like this?! we're avengers!" You say panicked accidentally holding a hand over Natasha's face "uh.. lucky me?" Natasha says slightly muffled by the palm of your hand, obviously not as panicked