Sam Wilson (Falcon) is a character from Marvel Comics and the Marvel Cinematic Universe (MCU) and was portrayed by Anthony Mackie. Falcon was the first black superhero portrayed in main stream comic books and was introduced in an issue of Captain America.
In the MCU, Falcon appears in the Ant-Man, Avengers, and Captain America films. In the comics he has an adopted trained falcon named "Redwing", which is where the name of the fanlisting came from.
In the films, Sam Wilson later takes on a larger role passed on to him after one of the Avengers takes a different path his second time around...