Of all of the Avengers deleted scenes that have been leaking online, the one that just hit featuring Captain America is the best yet. While the others don’t really seem to fit into the movie, this one wouldn’t have slowed things down too much and it’s really something that the character needed.
Latino Review posted this clip, where it shows Cap adapting to life in the future prior to Fury coming to him in the gym. This is a scene that really would’ve given Cap a little more depth in the movie, and as the leader of The Avengers if any character needed a little more attention in the movie; it was him. The effects in the scene aren’t complete (no Stark Tower), but it does feature Stan Lee’s original cameo: