Tony Stark, a genius and billionaire, was reborn as the hero Iron Man after being kidnapped by the Ten Rings and building a suit in a cave. He is the protagonist of the first solo film in the Marvel Cinematic Universe.

The symbol of the US military. Originally a weakling, he was reborn as a hero after receiving the Super Soldier Serum in recognition of his noble character. Initially, he acted as the lead in promotional plays rather than as a hero; he even wrote his lines on his shield because he couldn't memorize them. Shortly after, he defeated Red Skull and began his career as a full-fledged hero.

A monster-like hero who emerges from Dr. Bruce Banner's violent impulses when he is angry. In the 'Spider-Man: Brand New Day' arc, Bruce Banner's presence is more prominent due to a suppressor that inhibits the Hulk transformation. In Endgame, Bruce Banner accepts the Hulk and they merge into 'Smart Hulk'; those seeking classic Hulk action might find Endgame disappointing.

The son of Odin and the God of Thunder, born on the planet Asgard. He originally used Mjolnir, a hammer that could only be forged in Asgard, as his weapon. However, after losing both his brother Loki and his father Odin, he uses the power of a star to forge Stormbreaker—an axe capable of killing Thanos—to seek his revenge.

Though he is just a human, he joined the Avengers armed only with a bow and arrows. This means he is an exceptionally skilled archer. In fact, he has never missed a shot and utilizes over ten different types of arrows. Despite carrying only 32 arrows, he overcomes the shortage by recycling the ones he has already fired.

He modified the Iron Man Mark 2 suit into a combat-oriented model. Being a close friend of Tony Stark, he continues to receive upgrades for the War Machine armor.

Raised by his aunt after losing his parents, Peter Parker was bitten by a radioactive spider and became Spider-Man, creating his own web-shooters and suit. He receives support and upgrades from Tony Stark. In the 'Brand New Day' arc, he returns even stronger using organic webbing.

A former doctor who learned to use magic for various reasons. He possesses the Time Stone, one of the Infinity Stones, allowing him to rewind time or see into the future.

The final boss of the Infinity Saga. His goal is to eliminate half of all life in the universe by gathering the Infinity Stones. He even drove his daughter Gamora to her death to obtain them. He believes the universe is doomed to collapse due to exponential population growth.

The King of the fictional nation of Wakanda and a hero. He fought alongside Captain America against the Outriders in Infinity War. The character passed away from illness, and the actor also died of cancer. His salute involves crossing his arms over his shoulders and shouting, "Wakanda Forever."