In "Avengers: Endgame", they had Captain America go back to the 1940s to retire, then, in his 90s, hand over his shield to Sam Wilson/The Falcon so that Sam could be the new Captain America.
They also had Sam become Captain America in the comics in 2015, and it flopped.
In "Avengers: Endgame", they had Captain America go back to the 1940s to retire, then, in his 90s, hand over his shield to Sam Wilson/The Falcon so that Sam could be the new Captain America.
They also had Sam become Captain America in the comics in 2015, and it flopped.