Captain America: The First Avenger
The start of the film happens in the present day. A group of scientists find an old frozen airplane with a man frozen in it, with a shield. The rest of the film happens in World War Two. Johann Schmidt (also called the Red Skull) the leader of a group called HYDRA steals a powerful weapon called the Tesseract.  A man called Steve Rogers wants to join the army, but is too weak and is told he cannot. A doctor called Abraham Erskine lets him join a program that gives him super strength, making him a "super-soldier". Erskine is killed by a man from HYDRA and Steve is made to become an entertainer called Captain America, until he finds out his friend Bucky was taken prisoner by HYDRA. He saves Bucky and the other soldiers, and becomes Captain America. Steve and the rescued soldiers become friends, and they fight HYDRA in World War Two. In one mission, Bucky falls off of a train and it looks like he was killed. Steve discovers that Schmidt and HYDRA are using the Tesseract to make weapons, which he wants to use to win the war. He fights Schmidt, who is killed when he holds the Tesseract. Steve has to sacrifice himself to get rid of the weapons by crashing the airplane they are on into the Arctic. He is found 70 years later, and wakes up. Nick Fury then talks to him about joining the Avengers.