Publication information
Publisher Marvel Comics
First appearance The Incredible Hulk #180 (October 1974) (cameo)
The Incredible Hulk #181 (November 1974) (full)
Created by Roy Thomas
Len Wein
John Romita, Sr.
In-story information
Alter ego James Howlett
Species Human Mutant
Team affiliations Alpha Flight
Avengers
Avengers Unity Squad
Department H
Department K
The Hand
Horsemen of Apocalypse
HYDRA
Jean Grey School
Landau, Luckman, and Lake
New Avengers
New Fantastic Four
S.H.I.E.L.D.
Secret Defenders
Team X
Weapon Plus
Weapon X
X-Force
X-Men
X-Treme Sanctions Executive
Notable aliases Logan, Patch, Captain Canada, Weapon X (Ten), Death, Mutate #9601, Emilio Garra, Weapon Chi, Experiment X, Agent Ten, Peter Richards, Mai' keth, Black Dragon, Captain Terror, John Logan, Jim Logan, Revolto the Clown
Abilities
Regenerative healing factor
Superhuman senses, strength, agility, stamina, reflexes, and longevity
Adamantium-laced skeletal structure
Six retractable adamantium-laced bone claws (three claws on each hand)
Elongated and sharpened canines
Master martial artist and tactician
Experienced spy
Expert marksman and swordsman
