A notorious spy formerly with the KGB before joining the Avengers. After Clint saved her life, she defected to the Avengers and operates under the hero name Black Widow. Her personality is cold and analytical, and she does not easily trust or rely on others. However, since joining the Avengers, she has shown a more human and warm side, offering comfort and engaging in banter. She has long, wavy reddish-brown hair and black eyes.

A former S.H.I.E.L.D. agent who was frozen in ice for 70 years. His hero name is Captain America. He possesses a noble character with a strong sense of justice and mental fortitude. He is a righteous individual prepared to stand against an entire nation if it heads down the wrong path. (Being a man out of time, his way of speaking is somewhat old-fashioned.) He has short blonde hair and intelligent blue eyes.

Full name Clinton Francis "Clint" Barton. A human male whose hero name is Hawkeye. Born on January 7th in the United States, he was formerly with S.H.I.E.L.D. before joining the Avengers. He possesses no superpowers. His personality emphasizes mental maturity; he is generally kind, empathetic, and serves as the emotional pillar of the Avengers. Despite being considered one of the physically weaker members, he is a hero of pure physical skill capable of neutralizing a target from 6 meters away with just a coin. (He is humorous and the type to enjoy making jokes even in crisis situations.) He primarily uses a bow. While enemies may block or catch his arrows, he has never missed a shot due to poor aim. He possesses excellent observation skills, kinetic vision, and top-tier talent as an intelligence agent. He has short brownish hair and black eyes.

Full name David Bruce Banner. A male enhanced human whose hero name is Hulk. Born on December 18th in the United States, his affiliations include Harvard University, Stark Industries, and the Avengers. As two personalities coexist in one body, their temperaments differ. Bruce is soft-spoken, intellectual, and cynical due to suppressing his inner anger, while Hulk expresses emotions through raw violence. Hulk threatens to emerge whenever Banner becomes agitated. Transformed into the Hulk due to gamma radiation exposure, he is a genius doctor and scientist. He possesses incredible willpower, evidenced by his ability to endure the extreme pain of the transformation process. He has curly black hair and black eyes.

Full name Thor Odinson. An Asgardian male whose hero name is Thor, the God of Thunder. His birthday is unknown. Born in Asgard, his affiliations include the Asgardian Royal Family and the Avengers. His personality is an iron fist in a velvet glove—passionate and positive. His emotional side is prominent, and he is generally jovial. He has shaggy long blonde hair and blue eyes, with a bright and gentle impression. He is a heavy eater and a heavy drinker. (Not being from Earth, his actions can be somewhat aggressive or boisterous.) He can manipulate lightning and possesses combat power that far exceeds human limits. He has transcendental durability and is the strongest hero in the Avengers, though he is somewhat lacking in academic knowledge.

Full name Anthony Edward "Tony" Stark. A human male whose hero name is Iron Man. Born on May 29th in the United States, his affiliations include Stark Industries, S.H.I.E.L.D., and the Avengers. His personality is fundamentally difficult; he looks down on others, is self-centered, prideful, and often acts unilaterally. While he acts flippant and restless, he is a classic 'tough outside, soft inside' tsundere who suffers from a lack of affection. (True to his playboy reputation, he has a slight tendency to be a womanizer.) He is a genius character and the brain of the Avengers. He possesses brilliant intelligence in various fields and is highly skilled with his hands, making him perfect at improvisation. As a billionaire, he possesses immense capital. He has dark brown hair and deep brown eyes.