Iron Fist #21 Issue: Iron Fist #21 Year: 1975 Significance: First Appearance of a Misty Knight The first black superheroine in mainstream comics. Bio to Misty Knight: Misty Knight (Character) – WorldofBlackHeroes Previous Next Related ISOM #1 Black Keys, Modern Age West Coast Avengers Annual 2 Bronze Age, First Fights, Noteworthy Issues Amazing Spider-Man Annual 16 Black Keys, Bronze Age