Against John Wick?

Robert McCall

A former U.S. Marine and DIA (Defense Intelligence Agency) operative. His background includes extensive training in combat, intelligence gathering, and covert operations. McCall possesses exceptional tactical skills, including expert marksmanship, hand-to-hand combat abilities, and an almost superhuman capacity to analyze and neutralize threats in seconds. 

Bryan Mills

 A former CIA operative with a "very particular set of skills" acquired over a long career in covert operations. His background includes extensive experience in paramilitary operations, counterterrorism, and close protection services. What makes him especially dangerous is his mastery of practical field skills - tracking, interrogation, weapons handling, and lethal hand-to-hand combat - combined with a cold, calculating intelligence that allows him to systematically dismantle entire criminal organizations. 

Machete

A former Mexican Federale turned vigilante whose signature weapon is his collection of deadly machetes. His extensive background in law enforcement, coupled with his street-fighting expertise and brutal efficiency, makes him a formidable opponent who can turn any ordinary object into a lethal weapon. 

Beatrix Kiddo (Codename: Black Mamba) 

A former member of the elite Deadly Viper Assassination Squad, Beatrix Kiddo ranks among the world's most lethal operatives. Her expertise was personally developed under the tutelage of martial arts master Pai Mei, who imparted to her his closely-guarded techniques including the infamous Five Point Palm Exploding Heart Technique. Kiddo's combat proficiency spans an extraordinary range of disciplines - from traditional Japanese swordplay with the Hattori Hanzō steel to sophisticated modern weapons handling. 

Duncan Vizla (Codename: The Black Kaiser) 

A legendary assassin from the Damocles organization, Duncan Vizla earned his reputation as one of the world's deadliest contract killers through a combination of tactical precision and adaptability in extreme conditions, particularly excelling in arctic environments where his trademark black tactical gear earned him his codename. His expertise spans from long-range marksmanship to close-quarters combat, with a particular talent for turning defensive positions into elaborate kill zones through careful preparation and booby trap deployment. 

Hanna (Asset: WNAD98745) 

A product of the CIA's classified UTRAX program, Hanna represents the pinnacle of covert operative engineering, having been genetically enhanced for superior strength, speed, and sensory acuity. Raised and trained in complete isolation within the Polish wilderness, she combines preternatural physical capabilities with unique survival skills and an almost feral adaptability to any environment.