Red Sonja

Creation
The original Red Sonja was created by writer Robert E. Howard. Her first appearance was in the short story "The Shadow of Vulture", which was published in the January 1934 issue of The Magic Carpet Magazine.

The comic book version of Red Sonja was created by writer Roy Thomas and artist Barry Windsor Smith. Comic book Red Sonja made her first appearance in Conan the Barbarian issue 23, which was published by Marvel Comics in February of 1973.

Origin (Marvel Comics)
The origin of Marvel Comic's Red Sonja was revealed in issue 3 of Kull and the Barbarians on September 1975. The story, titled "The Day of the Sword", was plotted by Roy Thomas, scripted Doug Moench, and illustrated by Howard Chaykin. The Day of the Sword was later redrawn by artists Richard Joseph Giordano & Terry Austin and published in issue 78 of The Savage Sword of Conan on July 1982.