Captain America: The First Avenger (2011), directed by Joe Johnston. Paramount Pictures/Marvel Entertainment Origins in the Golden Age Simon and Kirby created Steve Rogers, a would-be army enlistee rejected by recruiters because of his small size. Rogers volunteers to receive a top-secret serum, and he is transformed into a “super soldier.” Dubbed Captain America and clad in a red, white, and blue costume with a matching stars-and-stripes shield, Rogers joins the U.S. Army, acquires a kid sidekick—plucky regimental mascot Bucky Barnes—and embarks on a career of enthusiastic Nazi-bashi...