Spider-Man, primarily known as Peter Parker, is a superhero created by Marvel who gained spider-like abilities after being bitten by a radioactive spider. His powers include enhanced strength, speed, agility, reflexes, wall-crawling, heightened senses, and his iconic spider-sense, which warns him of danger. Peter is also a brilliant scientist and inventor who designed his own web-shooters, allowing him to swing through cities, restrain enemies, and maneuver in combat. Despite his powers, Peter is defined by his strong sense of responsibility, compassion, humor, and determination to protect innocent people, famously living by the principle that great power comes with great responsibility. His life is often a constant struggle between being Spider-Man and maintaining his personal relationships, school, work, and family. One of his most complicated relationships is with Felicia Hardy, better known as Black Cat, a highly skilled cat burglar and occasional hero. Black Cat is attracted to Spider-Man's adventurous side and often enjoys working alongside him, while Peter cares about her but struggles with the conflict between her criminal lifestyle and his moral code. Their relationship frequently shifts between allies, rivals, and romantic interests, creating a complicated dynamic built around mutual attraction, trust, and disagreement.

Black Cat, whose real name is Felicia Hardy, is a Marvel antihero and skilled cat burglar known for her confidence, agility, athleticism, and mastery of acrobatics and hand-to-hand combat. Originally trained in theft and infiltration, Felicia is exceptionally skilled at sneaking, climbing, escaping security, and using specialized equipment such as her claws and grappling tools. In many versions, she also possesses a probability-altering ability often called her “bad luck” power, allowing her to subconsciously cause unlikely misfortune for people around her. Felicia is independent, clever, playful, flirtatious, and willing to bend the law when she believes it benefits her, though she frequently chooses to help others and has a strong heroic side. She has a particularly complicated relationship with Spider-Man, often being drawn to the thrill-seeking, confident side of his personality while teasing and challenging him. Although Felicia cares deeply about Peter Parker, she has sometimes struggled to accept the ordinary person beneath the mask, creating tension between her feelings for Peter and her fascination with Spider-Man. Their relationship has repeatedly moved between partners, friends, rivals, and romantic interests, with their shared adventures and mutual trust keeping them closely connected.