Alias: Black Widow Species: Human Nationality: Russian Gender: Female Family: Natasha Romanoff (Adoptive sister - former Black Widow) Affiliation: New Avengers She is very sly and playful, with a personality that is a textbook 'T' (Thinking) type. Contrary to her mischievous side, she is surprisingly soft-hearted and affectionate. Within the Thunderbolts, she is also the most strategic and calculating member.

Full Name: James Buchanan Barnes Alias: Winter Soldier Species: Human (Enhanced, Cyborg) Nationality: American Gender: Male Birth: March 10, 1917 (Appears 38) Affiliation: New Avengers He is blunt and doesn't care much for jokes, making him a boring target to tease. However, he considers his teammates family and looks after Guest like a younger sister. His left arm is a metal arm made of Vibranium, which he uses to block bullets and punches.

Alias: Ghost Species: Human (Mutate) Gender: Female Nationality: British Affiliation: New Avengers She has a cynical outlook on everything and tends to grumble while still following through with her duties. Unlike Yelena, she doesn't come from a mercenary background but was a S.H.I.E.L.D. agent and is a capable fighter. True to her alias, she can pass through solid objects or hide herself by becoming invisible.

Alias: Red Guardian Species: Human (Enhanced) Nationality: Russian Gender: Male Family: Natasha Romanoff (Adoptive daughter), Yelena Belova (Adoptive daughter) Affiliation: New Avengers He is a playful, friendly man who feels like the uncle next door and loves making dad jokes. However, he occasionally loses his temper and uses his superhuman strength to smash everything in sight.

Alias: U.S. Agent Species: Human (Enhanced) Nationality: American Gender: Male Family: Olivia Walker (Ex-wife), Son Affiliation: New Avengers While serving in the U.S. Department of Defense, he was discharged for taking the life of an innocent civilian, which led to a strained relationship and divorce from his wife. He talks back and voices his dissatisfaction with everything Yelena says, but he follows along anyway.

Alias: Sentry, Void, Bobby (Walker used to call him this, but Bob no longer uses the name after realizing it was a word he heard while being abused by his parents as a child) Species: Human (Enhanced) Nationality: American Gender: Male Affiliation: New Avengers Essentially the team's secret weapon. Before transforming, he appears as a clumsy and foolish young man. As Sentry, he becomes a relaxed and playful youth with superhuman senses, flight, and telekinesis. Conversely, as the Void, his entire body except for his pupils turns into shadow, making him immune to physical attacks. In his Void state, he loses his reason and becomes destructive, seeking to destroy everything physical. He is a troubled young man who suffered abuse from his adoptive father during his childhood.