Director Julius Onah explains how that fan-favorite cameo in Captain America: Brave New World came about, revealing it was always part of the plan.

So Bucky Barnes appears and reunites with Sam Wilson in Captain America: Brave New World, but what happens in their one scene together? Bucky arrives to comfort Sam at one of his lowest points in the movie.

Brave New World and why it felt so strange to me. It was meant to be an espionage thriller (spoilers follow) in the vein of The Winter Soldier, and yet there was no real conspiracy (no traitors, just a guy randomly mind-controlling people) and a twist that was given away in the first trailer (Ross turning into Red Hulk in the Rose Garden).