List of Marvel Comics characters: J
Here is a shorter, easy-to-understand guide to Marvel Comics characters whose names start with J.
- Jetstream (Haroun ibn Sallah al-Rashid) — A Moroccan mutant and member of the Hellions. He can jet-propel himself by releasing thermo-kinetic energy downward, helped by cybernetic implants in his legs and back. First appearance: The New Mutants #16 (1984).
- Jiang Li — Shang-Chi’s mother. A Qilin Rider who can archery innately and psionically link with a qilin, and can extend that link to others. Skilled in martial arts; origin ties to the realm Ta-Lo. First appearance: Shang-Chi (vol. 2) #4 (2021).
- Jimmy-6 (Giacomo “James” Fortunato) — A member of the Fortunato crime family with a history tied to Spider-Man. He is peak-human in strength, a skilled fighter, firearms user, and helicopter pilot. First appearance: Spider-Man #70 (1996).
- Jade Dragon — A mutant who, after Terrigen exposure, becomes a humanoid dragon with wings and jade-green flames. He / she was enslaved by the Skull but later freed and worked with Iron Maiden, Black Bolt, and the Iron Avengers. First appearance: Earth X #2 (1999).
- J. Jonah Jackal — An anthropomorphic jackal version of J. Jonah Jameson, appearing in the Spider-Ham universe and in related media. Appears in the Ultimate Spider-Man episode “The Spider-Verse.”
- John (J.) Jonah Jameson Sr. — The father of J. Jonah Jameson; mentioned as part of Jameson’s family history.
- Joan Jameson — Wife of J. Jonah Jameson; a school papers segment and love interest featured in stories about Jameson’s past.
- Abigail Jarvis — Edwin Jarvis’s mother (noted in some materials). Her role varies by continuity.
- Ana Jarvis — In Agent Carter, a version of Edwin Jarvis’s wife; appears in the TV universe.
- Jarvis (Skrull) — A Skrull who impersonated Edwin Jarvis during the “Secret Invasion” storyline.
- Jazinda — The estranged daughter of the Super-Skrull (Kl’rt); a bounty hunter who works on Earth and is part of the Lady Liberators.
- Jentorra — A native of the Microverse’s planet K’ai and the niece of its late princess Jarella. She tries to summon the Hulk and later joins the Enigma Force. In Ant-Man and the Wasp: Quantumania, she is portrayed as the rebellion’s leader in the Quantum Realm.
- Jitter (Sofia Yong) — A Singaporean mutant who joins Gambit’s Outliers and later a mutant team. Her power lets her hyper-focus on a task for a minute, gaining the necessary skills during that time. First appearance: Uncanny X-Men (vol. 6) #1 (2024).
- Jolt (Helen “Hallie” Takahama) — A Thunderbolts member who gained enhanced strength, speed, and agility after experiments by Arnim Zola; later dies and is resurrected, gaining the ability to become biokinetic energy and fly. First appearance: Created by Kurt Busiek and Mark Bagley.
- Charlotte Jones — A trauma nurse-turned-police officer who allies with the X-Men; she has a romance with Archangel and assists them against various threats. First appearance: X-Factor #51 (1989).
- Alisa Jones — The adoptive mother of Jessica Jones; appears in comics and influenced by Jessica’s life. The character also appears in media adaptations.
- Raymond “Piranha” Jones — A Luke Cage foe with sharpened steel teeth. He rises from poverty and turns to crime.
- Joseph — A clone of Magneto with his own magnetism powers: can manipulate ferrous metals, generate electricity, and fly. He has a complicated history of clones and reshaped identities, including fights with the X-Men. First appearance as a clone: various storylines; he is a Magneto clone who has been resurrected and involved in multiple conflicts.
- Josiah X — Son of Isaiah Bradley (the Black Captain America) and uncle to Elijah Bradley. A long-time super-soldier with great strength and combat training; carries his father’s shield. First appearance: The Crew #1 (early 2000s).
- Joystick — The villainous alias of Janice Yanizeski, a participant in “The Great Game.” She has battled Spider-Man’s related characters and later joined groups like the Masters of Evil.
- Jumbo Carnation — A mutant fashion designer who appears in New X-Men and later Krakoan-era stories, known for his influence in mutant fashion and the Krakoan Gala scene. First appearance: New X-Men #134 (2002).
- Justice Peace — A cyborg agent of the Time Variance Authority (TVA). In Infinity Wars crossovers, he becomes part of Captain Peace, a fusion of Gamora and Captain Marvel.
This page was last edited on 3 February 2026, at 14:03 (CET).