Captain America

image name backstory
Red Skull Upon completion, Hitler gave Schmidt a unique uniform with a grotesque red skull mask, and he emerged as the Red Skull for the first time. His role was the embodiment of Nazi intimidation, while Hitler could remain the popular leader of Germany.
Crossbones After he brutalized fifteen year old Rachel Leighton, two of her brothers assaulted Brock; the eldest brother was killed. ... Ultimately the only team member to survive the assault, Rumlow there met and impressed the Nazi Red Skull (Johann Shmidt); this Skull accepted Brock's services, code-naming him “Crossbones.
Helmut Zemo Baron Helmut Zemo, the 13th Baron Zemo and the son of Baron Heinrich Zemo, the master Nazi scientist and enemy of Captain America during World War II. Heinrich brought his son up to believe in the Nazi ideals of a master race, and that only the Zemo line should be ruling the world.