Captain America

Captain America (whose nickname is Steve Rogers), is a veteran of the Second World War is death and enemy of Red Skull.

history
Initially it was a normal human being and weakling, but his love to serve the nation was so great that he agreed to undergo some experiments (known as the Super-Soldier Serum), giving rise to super hero we all know and love Captain America. At one point in the war Captain disappeared (actually stay frozen), after u fight Bucky skull red and unfortunately died in that battle