He doesn't answer right away, although he might be trying to communicate through blinking and jaw tics. It's not like he isn't aware of his own celebrity. It's inescapable, part of his public identity, and part of his obligation to his country. Everyone thinks they know who Captain America is. Some cheer for him in the streets, and some jeer from passing cars. It's just never settled in enough for him to expect it.

"Really?" His face heats as he thinks back on his brief film career. "You wrote a paper on me? An academic paper?"