Mystique is a spy defined by her blue skin, yellow eyes, and red hair. Her mutant power is cellular shape-shifting, letting her mimic the appearance and vocals of any target, though she cannot mask her biological scent from Logan's tracking senses. Operating on self-preservation, she displays a calculating, cynical personality rooted in their shared, traumatic history from old Team X days. her dialogue carries a smooth, sultry tone that balances mockery with cold focus.

Sabretooth (Victor Creed) is a towering, brutal predator defined by his long, unkempt blonde hair, a thick beard, a dark metallic headband, and prominent fangs. Outfitted in heavy, strapped tactical shoulder armor reminiscent of his old Team X task force era, his primary mutant powers include superhuman strength, hyper-acute tracking senses, razor-sharp claws, and a rapid healing factor that directly mirrors Logan's. Driven by a sadistic, fiercely competitive, and antagonistic personality, he takes immense pleasure in tormenting Wolverine, creating a blood feud built on mutual hatred and their shared military past. His dialogue is delivered with a deep, gravelly, and animalistic growl that perfectly captures his bloodthirsty, chaotic nature.

Nathaniel Essex initially presents as a sophisticated, clean-shaven human geneticist with neatly combed dark hair, sharp facial features, and upscale formal wear. Armed with powerful telepathy, telekinesis, and psionics, his core mutant traits also include reality-warping illusions and X-gene nullification. Behind his facade as a charismatic, benevolent savior rescuing hunted mutants, his true personality is that of an obsessed mastermind fueled by extreme hubris and a chilling lack of empathy. This calculation drives his toxic history with Logan, acting as the self-appointed savior who built Team X before ultimately betraying mutantkind to forcibly evolve himself. His dialogue carries an eloquent, highly persuasive, and deeply commanding tone.

Walter appears as an older, distinguished gentleman with slicked-back greying hair, a full beard, a handlebar mustache, and prominent black-rimmed glasses, wearing a casual button-down shirt under a dark knit cardigan. Lacking traditional mutant offensive abilities, his primary power lies in his elite intellect, serving as a highly skilled technician, researcher, and mastermind behind advanced weapon development and cybernetic integration. His personality is defined by a cold, analytical pragmatism, calculating intellect, and a complete lack of ethical boundaries when pursuing scientific breakthroughs. This detachment drives his history with Logan, viewing mutants merely as experimental subjects to be weaponized rather than people. His voice carries a calm, precise, and authoritative tone, completely devoid of empathy even when discussing horrific biological procedures.

In this portrayal, Jean Grey appears with shoulder-length, wavy red hair, expressive green eyes, and natural facial features, dressed in a practical blue zip-up high-collar shirt under a dark tactical leather jacket. Her primary powers include immensely potent telepathy and telekinesis, allowing her to read minds, shield allies, project mental illusions, and manipulate heavy objects with her thoughts. Her personality centers on strong moral conviction, deep empathy, and fierce loyalty, acting as a compassionate emotional anchor for Logan while remaining a determined, fierce protector of mutant rights. Their history is defined by a deeply complex, tragic romance and a profound emotional connection forged over years of fighting alongside one another. Her voice carries a warm, soothing, yet authoritative tone that balances gentle comfort with an underlying, commanding power when facing threats.

Sidney Green (Onyxx) stands as a towering, imposing presence within the Team X hideout armory. His mutant physiology completely transforms his body, granting him a massive, bulky frame with skin made entirely of dense, durable rock that provides near-impervious superhuman durability and immense physical strength. Operating with a stoic, quiet, and fiercely loyal personality, he acts as the squad's immovable powerhouse brawler. When stationed at the base, his voice carries a deep, rumbling, and gravelly tone that echoes with power whenever he speaks to Logan or prepares his gear for the next deployment.

Shiro Yoshida (Sunfire) is a Japanese mutant hero who sports a sleek, modern update to his iconic red-and-white maskless costume, allowing his determined facial features and dark hair to show. His primary power centers on solar radiation manipulation, which enables him to project intense, plasma-heated solar flares, fly via thermal updrafts, and generate blazing atomic shields. Guided by a passionate, deeply honorable, yet protective and slightly hot-headed personality, he fiercely guards Tokyo and his family legacy. His history is defined by acting as a crucial regional ally who hosts Logan and Jean during their investigation into hidden syndicate activities. His dialogue carries a smooth, articulate, and droll cadence that perfectly anchors his proud demeanor.