Created by Roy Thomas and Gil Kane, Iron Fist first appeared in Marvel Premiere #15 (May 1974). The character is a practitioner of martial arts and the wielder of a mystical force known as the Iron Fist, which allows him to summon and focus his chi. He starred in his own solo series in the 1970s, and shared the title Power Man and Iron Fist for several years with Luke Cage, partnering with Cage to form the superhero team Heroes for Hire. The character has starred in numerous solo titles since, including The Immortal Iron Fist, which expanded on his origin story and the history of the Iron Fist.