It is 1942, America has entered World War II, and sickly but determined Steve Rogers is frustrated at being rejected yet again for military service. Everything changes when Dr. Erskine recruits him for the secret Project Rebirth. Proving his extraordinary courage, wits and conscience, Rogers undergoes the experiment and his weak body is suddenly enhanced into the maximum human potential. When Dr. Erskine is then immediately assassinated by an agent of Nazi Germany's secret HYDRA research...

In 1945, Captain America, U.S. soldier created with a Super-Soldier Serum, is fighting the Nazis during World War II, and after averting a nuclear disaster, he falls into the icy waters of the North Atlantic, and frozen in suspended animation, only to be revived in the twenty-first century by the American military, who are hoping that they can recreate the serum in Captain America's blood in order to create more super-soldiers. But now, with the world facing the very same evil, Captain America...