What is the origin of Captain America?

captain america's origin is during World War 2 the person who is captain america is smaller then most people and wants to join the army with his friend when he joins he go is chosen to take a type of serum that will give him super strength and super agility his height also increases after he takes it he gets his captain america outfit and his shield which is indestructible

later on he meets a norther person who is like him but this person couldn't handle the serum so it makes him look different and more evil he is known as red skull

at the end the two of the fight to the death i a ship that is flying over antartica of course captain america wins he then fly s the ship into the ice which freezes him

years and years latter he is found by explores.

captain america wakes up is a room not knowing that he has been frozen for many years he escapes the room and ends up in time square and is then greeted by Nick Fury