Iron Fist is a Marvel Comics superhero created by writer Roy Thomas and artist Gil Kane, first appearing in Marvel Premiere #15 in May 1974. The character's alter ego is Daniel 'Danny' Rand, a young boy who survives a family expedition gone wrong in the mystical lost city of K'un-Lun. There, he trains in martial arts and eventually earns the right to challenge the dragon Shou-Lao the Undying. By plunging his fists into the dragon's molten heart, he gains the power of the Iron Fist, allowing him to summon and focus his chi into his hand, making it superhumanly powerful and resistant to injury.
The character was created during the martial arts craze of the 1970s, drawing inspiration from kung fu films and Eastern philosophy. After his initial solo series, Iron Fist gained greater prominence when he was paired with Luke Cage in the series Power Man and Iron Fist, forming one of Marvel's first and most enduring interracial superhero partnerships. The duo became known as the Heroes for Hire, operating a business-based approach to crime-fighting.
Over the decades, Iron Fist has been a core member of various superhero teams, including the Defenders and the Avengers. His mythology expanded significantly through writers like Ed Brubaker, Matt Fraction, and David Aja, whose acclaimed run on The Immortal Iron Fist delved deeply into the history of K'un-Lun and the legacy of the Iron Fist mantle, revealing that Danny Rand is merely the latest in a long line of warriors to hold the title. This run introduced the concept of the Seven Capital Cities of Heaven and other Iron Fists from across history, greatly enriching the character's lore and cementing his place as a mystical martial arts hero in the Marvel Universe.