Extra Movie Feature: Black Widow

Alright, so here's what confused me: When Black Widow was talking to Loki, she was asking where Agent Whoever was. I am pretty sure they said Agent Barton, but then I am not sure.( and my brother has the movie at the moment, and NOBODY ON YOUTUBE POSTED THE SCENE!) And Loki was all, "Is this love, Agent ROmanoff (sp)"? Was that just Loki teasing or was the director actually trying to lead up to that? (love.) I will tell you when I figure out who it was. Okay, just figured it out! It's Hawkeye. I just google imaged "Agent Barton" and hawkeye showed up!