No Retreat, Baby, No Surrender, by itsnotbleak
“You think your old army buddy is working at Subway?”
“Of course not,” said Steve, trying to sound like he thought the idea was ludicrous. “Bucky died in 1944. I just…” He didn’t know what to say, so he slapped on his best lonely soldier face and lied. “It’s just it’s nice to pretend for a bit, you know?”
“No,” said Natasha. “It sounds deeply unhealthy, but you do you.”
Steve finds Bucky – or rather, one Jimmy Binns, Subway employee. This is lovely, with amazing characterizations, I had to read this basically in one sitting.