Well Uncle Sam decided Nazis were still the greatest threat to the american way of life and made a youtube video talking about it. Captain Nazi seen it and was enrage called the team together and flew out on an assassination mission against vandal savage's orders. seeing he would lose control of the team and there for feeling the need to eliminate them contacts Uncle Sam and Warns him.
Freedom fighters - Uncle Sam, Human Bomb, Miss America, and Phantom Lady
Forth Reich - Captain Nazi, Hunter, Baroness Blitzkrieg, and Green Ghoul
Fight to the Death in front of the capital building Washington DC