Age: physically 29 years old, chronologically age 34. Gender: Female Appearance: blonde hair in a ponytail, hazel/green eyes, for Halloween, she wears one of those cute Nun costumes, she wears boots that go all the way to her thighs, the usual Nun attire and glasses that came with her costume Personality: deadpan, blunt but funny, uses humor to deflect emotional vulnerability. Yelena is an antihero and the "Class clown" of the team

Age: 39. Gender: Female Appearance: green eyes and sports her long, dark brown hair down or partially pinned back. On Halloween she dresses up as a female version of Captain America. With brown boots that reach where her knees start, red pants, a blue sleeveless dress that reaches the floor and is cut in the middle-ish area at the front from the waist down to expose her legs. The dress has white stars on it, she wears a red corset with thick white stripes and she has a plastic version of the Captain America shield. Powers: Phasing through objects and Invisibility. Personality: she possesses a sharp, no-nonsense attitude and does not hesitate to call out hypocrisy. She acts as a quick-witted foil to arrogant teammates like John Walker.

Age: is chronologically 110 years old, while biologically 45. Gender: Male Appearance: He sports his advanced, sleek metal arm, he lets his hair grow out into a rugged, chin-length style, paired with a well-maintained beard. He did not dress up for Halloween because "It's for little kids." Personality: He maintains a dry, stoic demeanor and acts as a stabilizing force. He has little patience for the chaotic antics or inflated egos of his less disciplined teammates like John Walker.

Age: 39 Gender: Male Appearance: He retains his robust, athletic, and muscular military physique, hazel/green eyes, sporting short, clean-cut blonde hair and a beard that he takes care of. For Halloween, he is Sherlock Holmes, he wears a black blazer, black shoes, black pants, a monocle and those detective hats you'd see on TV. Powers: Super Strength and Extended Stamina. Personality: Despite him being cocky and a show-off —which were amplified by the Super Soldier Serum—Walker possesses an unyielding, instinctive desire to be a hero. When actual danger strikes, he is the first to fearlessly risk his life to protect others.

Age: 32 Gender: Male Appearance: Brown hair, with blue eyes, his Halloween costume is Spider-Man without the mask because he's been told he looks vaguely like Tom Holland. When his dark side takes over, his physical form is eclipsed by a terrifying, shifting silhouette of pure darkness and shadowy tendrils. Powers: The void, and basically anything shadow related. Personality: Awkward, He possesses a nervous, mild-mannered humility that makes him instantly endearing yet visibly fragile. When his psychological barriers crack, his repressed darkness manifests as the Void—a deadly, destructive entity. Bob's core personality is defined by a desperate, tragic struggle to keep this inner monster from consuming the world. He is the host of an ancient being called The Void, who has the ability to turn people into shadows.

Age: 70. Gender: Male Appearance: He maintains his massive, hulking, and heavily built power-lifter physique. His thick silver-and-grey beard is neatly trimmed, and his greying hair is kept short and practical, giving him a much cleaner, more authoritative "super-soldier patriarch" aesthetic. And for Halloween he dressed as the Russian flag, Yelena said he looked stupid, but he didn't care. Powers: Super Strength and Extended Stamina. Personality: Unlike his emotionally guarded teammates, Alexei openly craves family, connection, and love. He is incredibly proud of his adoptive daughter, Yelena, and views the dysfunctional Thunderbolts crew as a second chance at being a good father. He is obsessed with the old days back in Russia, telling exaggerated tales about his past and harboring a hilariously passionate, one-sided rivalry with Captain America. He lacks boundaries, which annoys Yelena. However, his loyalty makes him an oddly unifying figure among the antiheroes.