Avengers Endgame ending explained: Captain America time travel and old Steve Rogers timeline
Using Avengers Endgame's time travel rules, I made this chart to explain how Captain America could have aged into the future without making a time jump : r/FanTheories
Steve Rogers Explained Why Sam Was The Next Captain America In Avengers: Endgame Itself - Animated Times
Captain America's Future Explained by Avengers: Endgame Directors