Trivia: Before Steve Rogers exits the chamber that changes him into Captain America, the sound effect used for the machine winding down is the same as the sound effect used for the rocket pack shutting down in The Rocketeer, another of Joe Johnstons movies.
Trivia: Early on in the movie, Sam is watching Star Trek with Lenoard Nimoy, who also plays Sentinel Prime. Also, Wheelie's comments on the episode are relevant to Sentinel Prime. (Just replace the word Spock with Sentinel Prime).
Trivia: When Raven is making a pass at Erik in his bedroom he brushes her off by saying that she would need to be a little older. She then makes herself look older - this older woman is Rebecca Romijn, who played Mystique in the original 3 X-Men films.
Trivia: When Ella is abducted by the alien speeders, while the group flees from Jake's old gang; it really is Olivia Wilde being pulled 40ft+ into the air while riding full tilt on horseback, not her stunt double.
Trivia: In the scene where Hal Jordan meets Sinestro for the first time and they start to fight, the shield that Sinestro conjures up is identical to Captain America's shield - it even makes the same noise when a bullet hits it.