Captain America

Captain America (Steve Rogers) is a former superhero operating in Marvel Cinematic Universe sometimes known as “The First Avenger” due to becoming the first recruit of the avengers and was the world's first superhero.

Origin
Born in Brooklyn, New York. Steve had suffered various health problems and aliments and due to this, was rejected from WW II recruitment when trying to serve his country. He is then later recruited by Dr. Abraham Erskine and injected with his Super Solider serum which resulted in Steve becoming stronger and taller in the process. After the death of his mentor and creator, Steve Rogers became known as Captain America in honor of the place he swore to protect.

Super Strength
First Appearance: Captain America: Civil War (2016)

Captain America can overpower his foes and lift anything too heavy for a normal human being. He proved this by pulling back a helicopter when Bucky Barnes, under mind control by Helmut Zemo, attempted to escape Berlin.

Using his Shield
First Appearance: The Avengers (2012)

He can use his shield to attack enemies or block attacks. He proved this by blocking Thor’s hammer Mjolnir causing a shockwave that damaged a lot of trees in the area.

Super Speed
First Appearance: Captain America: The First Avenger (2011)

He can catch up quickly to his foes. He proved this by running extremely fast to the car that carried Abraham Erskine’s assassin.

Biography/History
After successfully completing the Super-Soldier process, Steve Rogers took on the mantle of Captain America. He began touring the United States with the United Service Organization (USO) to raise money for the war effort through treasury bond sales. During this period, Rogers felt that his abilities were not being utilized to their full potential.

On an overseas tour in Europe to entertain and add morale to the troops, Rogers discovers that a unit, including his best friend Bucky Barnes, was captured and is being held prisoner by Hydra. Determined to do more to help the war effort, Rogers disobeys orders and leads a raid on the Hydra facility where he frees Barnes and other members of the 107th and encounters the Red Skull. The Red Skull flees after their encounter.

Returning to camp with the prisoners, Rogers is promoted to Captain and recruits an attack team, including Bucky, to take out other Hydra bases. Howard Stark upgrades Roger’s shield to the familiar circular shield made of vibranium. Rogers and his team lead ever more successful attacks eventually capturing Dr. Arnim Zola on a train heist. Unfortunately, Bucky seemingly falls to his death during the raid.

Rogers leads a final attack on Hydra to stop the Red Skull from launching weapons of mass destruction at the United States. During a battle to take out a missile headed for New York, Roger’s defeats the Red Skull but has no way to stop the missile other than plunging it into the arctic ocean. He awakens 70 years later in a SHIELD facility.

During the modern era, Rogers continues as Captain America while adjusting to life in modern times. He joins the Avengers battling Loki and the Chitauri in the Battle for New York. In between major Avengers missions, he continues working for SHIELD and helps Nick Fury defeat them when it is revealed that Hydra has secretly corrupted SHIELD and other world governments.

After the fall of SHIELD, Captain America and the Avengers take on a bigger role stopping crimes and terror threats across the globe. Privately funded by Tony Stark, the Avengers answer to no government leading to tensions within the team When Stark and Banner create Ultron the whole Avengers must band together to stop the mad robot from destroying the nation of Sokovia and the world. Even though the team succeeds, widespread death and destruction leads world governments to band together under the Sokovia Accords to force heroes like the Avengers to answer to a higher authority.

Rogers is disillusioned with governments, especially when Bucky resurfaces as the Winter Soldier and is framed for crimes he did not commit. Steve refuses to sign the accords, battling other Avengers before going into hiding.

Rogers resurfaces to help the team and other world and galactic heroes battle Thanos before he snaps have of the universal population in half. Five years after the snap that erases half of the sentient population of the universe, Rogers goes back in time to find a way to defeat Thanos using Infinity Stones from the past. After all of the heroes team up to defeat a new time displaced Thanos, Rogers returns to the past, living out his years there. He shows up in the present as an old man, passing the mantle of Captain America to the Falcon.

Research

 * https://www.britannica.com/topic/Captain-America
 * https://www.imdb.com/title/tt3498820/fullcredits
 * https://en.wikipedia.org/wiki/Steve_Rogers_(Marvel_Cinematic_Universe)#World_War_II
 * https://www.uso.org/faq#:~:text=USO%20stands%20for%20United%20Service%20Organizations.
 * https://marvelcinematicuniverse.fandom.com/wiki/Captain_America#Working_for_the_USO
 * https://hero.fandom.com/wiki/Captain_America_(Marvel_Cinematic_Universe)

Images

 * https://pngimg.com/uploads/captain_america/captain_america_PNG95.png
 * https://img.cinemablend.com/filter:scale/quill/6/1/9/8/0/9/6198092fb34d533954bd392bb99ecb4541cf62d3.jpg?fw=1200
 * https://i.pinimg.com/originals/d8/a2/22/d8a22274fe699241de99d7cff36a5b8c.jpg
 * https://img.cinemablend.com/filter:scale/quill/2/6/c/4/7/a/26c47a21f4a4f860be2c0469e56dc316f4f2d76c.jpg?mw=600
 * https://cdn.images.express.co.uk/img/dynamic/36/590x/secondary/Winter-Soldier-holds-Captain-America-s-shield-634032.jpg