Steve Rogers is a fragile young man who wants to join the army to help fight the Nazis, but is constantly rejected because of his poor health.
. A old scientist sees that in Steve lies the soul of a true hero and brings him to the Supersoldier Program, where he undergoes several physical, mental and psychological tests with astonishing ressults for a man in his condition, impressing the military.
. He's injected with the Supersoldier Serum and gains the strenght, the speed, the agility, the stamina and the resiste of 100 men.
. Instead of sending him to the frontline as he wished, the government decides to showcase him in USO shows in military bases arround Europe, which frustrates him.
. Eventually, he decides to enter the battlefield by himself to rescue a group of imprisioned soldiers, going AWOL.
. In his mission, Captain America comes across Red Skull, the Nazi supersoldier, who bears the horrible scars ressulted of being injected with an older, rudimentary version of the Supersoldier Serum.
. Red Skull has discovered a power source different from anything the world has ever seen and uses it to create an array of long-distance, mass destruction futuristic weapons with wich he plans to attack on global scale. The only one who can stop in is Captain America.