Captain America

Steven Grant "Steve" Rogers is one of the two main protagonists of the Marvel Cinematic Universe's first arc, the Infinity Saga. After becoming the first successful attempt on the Super Soldier Serum, Steve became known as the superhero Captain America.

Background
Steve Rogers was born to Sarah and Joseph Rogers. However, his father was killed in action during World War Two, leaving Steve to be raised by his mother. Being picked at by bullies who wanted his lunch moneys, Bucky Barnes saved him and became his best friend ever since.

After his mother's death, Steve lived alone in his family apartment. He tried multiple times to get into the army but could never pass the test due to his health issues.

Physical Appearance
Steve Rogers was a man about six foot one, with short blond hair and blue-green eyes. Before the super soldier serum, Steve was rather short and wimpy and had multiple health issues. Over the two years of exile, Rogers also grew a beard but appears to have shaven it off at the beginning of Avengers: Endgame. His eyes sometimes switch between colors of blue and green. In the light, they are clearly blue-green

Powers
After being injected with the super-soldier serum, Rogers' body changed significantly and gave him many superhuman abilities, which includes superhuman physiology, strength, speed, stamina, agility, reflexes, durabililty, intelligence, mental process, senses, longevity, and immunity. It also gave him an accelerated healing factor, which included curing him of his many health problem conditions.

Cap also had the powers of Thor when he welded Mjolnir and was worthy of his powers. In fact, Captain America could lift it the whole time, even during the party in Age of Ultron.

Abilities
Steve was a master at hand-to-hand combat with many of his enemies, with Red Skull and Thanos being among them. After gaining a shield from Howard Stark, He could fight with the shield fluently, even using it against Mjolnir (due to his shield's hard vibranium structure.

Steve was also an artist before the second World War began, being talented with sketches.

Marvel Cinematic Universe
In all of his appearances in the Marvel Cinematic Universe, Captain America was portrayed by Chris Evans.

Ant-Man
After finally finding Bucky after several months, they finally captured the former Winter Soldier. Because of the "Accords", Rogers tells Sam Wilson that they cannot contact Stark. Defeated, Wilson says he knows a guy who can help them.