Bucky meets Tadashi at a diner. He keeps coming back, until one day, Tadashi doesn't. That's when he decides to take matters into his own hands. (Or, Bucky and Steve and basically all of the Avengers adopt Hiro and Tadashi.)

Modern AU. Who always has a book, but never a warm coat? Finnick Odair.

Rebellion AU. "He has a name!" She snaps, throwing her body in front of his. "His name is Finnick, and just because he fought with the Capitol doesn't mean he's a traitor."