SupergirlCover pencils by Curt Swan, inks by George Klein. "The Coward of Steel!", script by Jerry Siegel, art by Al Plastino; The Superman Revenge Squad exposes Superman to a ray that will turn him into a coward, but it only works when Superman is in his Clark Kent identity, which leads him to adopt another alias. Secret Origins comic book ad. "The Planet of Outcasts!", script by Leo Dorfman, art by Jim Mooney; Three super-heroines invite Supergirl to their home planet of Feminax, where Supergirl is revered; However, the girls (and everyone on their world) are really evil and use Supergirl to help them revive three of the most evil women in Earth's history, so that Feminax can conquer the universe.
Swan was a house artist at DC working on titles like Tommy Tomorrow, he began gravitating towards Superman and his related books, Superboy, World's Finest and Jimmy Olsen, he would eventually leave DC thanks to his personality issue with Editor In Chief Mort Weisinger. He would eventually return and go on to be the artist that defined the look of Superman in the Silver Age, eventually becoming the editor of the title, but after thirty years of keeping up standards of all things Superman, Swan was given the boot in favor of John Byrne's Superman reboot, Swan's comic work began to taper off after this dismissal and he eventually retired, but will forever be recognized as the Silver Age Superman's finest artist.
James Noel Mooney was an American comics artist best known for his long tenure at DC Comics and as the signature artist of Supergirl, as well as a Marvel Comics inker and Spider-Man artist, both during what comics historians and fans call the Silver Age of comic books. He sometimes inked under the pseudonym Jay Noel.