Weird Worlds is an American comic book science-fiction anthology series published by DC Comics that originally ran from 1972 to 1974 for a total of 10 issues. The title's name was partially inspired by the sales success of Weird War Tales and Weird Western Tales. A second series was published in 2011.

John Carter of Mars is a fictional Virginian soldier who acts as the initial protagonist of the Barsoom stories by Edgar Rice Burroughs. A veteran of the American Civil War, he is transported to the planet Mars, called Barsoom by its inhabitants, where he becomes a warrior battling various mythological beasts, alien armies and malevolent foes. Created in 1911, the character has appeared in novels and short stories, comic books, television shows and films, including the 2012 feature film John Carter, which marked the 100th anniversary of the character's first appearance.