Galactus is a fictional character appearing in American comic books published by Marvel Comics. Formerly a mortal man, he is a cosmic entity who consumes planets to sustain his life force, and serves a functional role in the upkeep of the primary Marvel continuity. He was created by Stan Lee and Jack Kirby and first appeared in Fantastic Four #48.
The Marvel Universe is a fictional shared universe where the stories in most American comic book titles and other media published by Marvel Comics take place. Super-teams such as the Avengers, the X-Men, the Fantastic Four, the Guardians of the Galaxy, and many Marvel superheroes live in this universe, including characters such as Spider-Man, Captain America, Iron Man, Thor, the Hulk, Ant-Man, the Wasp, Wolverine, Black Panther, Doctor Strange, Daredevil, and Captain Marvel, Blade, Black Widow, Hawkeye, among numerous others. It also contains well-known supervillains such as Doctor Doom, Magneto, Ultron, Thanos, Loki, The Green Goblin, Kang the Conqueror, Red Skull, The Kingpin, Doctor Octopus, Carnage, Apocalypse, Dormammu, Mysterio, Electro, and the Vulture. It also contains antiheroes such as Venom, Namor, Deadpool, Silver Sable, Ghost Rider, The Punisher, and Black Cat.
Lucifer is the name of two unrelated characters appearing in American comic books published by Marvel Comics. One is an alien supervillain of the X-Men and the other is a villain of Ghost Rider and is referred to as the Prince of Darkness.
The Shi'ar are a fictional species of aliens appearing in American comic books published by Marvel Comics. The Shi'ar Empire is a vast collection of alien species, cultures, and worlds situated close to the Skrull and Kree Empires. The Shi'ar are one of the three main extraterrestrial empires depicted in the Marvel Universe, alongside the Kree and Skrulls.
Onslaught is a character appearing in American comic books published by Marvel Comics. He first appeared as a cameo in X-Men: Prime #1 before making his first full appearance in X-Men vol. 2, #53, where he would eventually serve as the main antagonist of the "Onslaught" storyline from then onward.
Sleepwalker is a fictional character appearing in American comic books published by Marvel Comics. Created by Bob Budiansky and Bret Blevins, he first appeared in Sleepwalker #1. The character is named after his race and is the star of a self-titled comic book which ran for 33 issues, from June 1991 to February 1994, with one Holiday Special. All but two of the issues were written by Budiansky, with Tom Brevoort and Mike Kanterovich writing the Holiday Special and one fill-in issue. Dan Slott also contributed a humorous side story in issue #25.
Mephisto is a fictional character appearing in American comic books published by Marvel Comics. The character first appeared in Silver Surfer #3, and was created by Stan Lee and John Buscema and based on Mephistopheles: a demon character from the Faust legend, who has sometimes been referred to as Mephisto. Introduced as a recurring adversary of the Silver Surfer and Ghost Rider, Mephisto has also endured as one of Spider-Man's most prominent adversaries, being responsible for Norman and Harry Osborn's respective transformations into the Green Goblin and Kindred; and for the superhero's loss of his marriage to Mary Jane Watson, considering their future daughter Spider-Girl his archenemy. Mephisto has often come into conflict with Doctor Strange, Doctor Doom, Scarlet Witch and other heroes of the Marvel Universe, being responsible both for the creation of the Cosmic Ghost Rider and the descents of Phil Coulson and Otto Octavius into villainy.
Quasar is a fictional superhero appearing in American comic books published by Marvel Comics. He is one of Marvel's cosmic heroes, a character whose adventures frequently take him into outer space or other dimensions. However, Quasar deviates from the archetype of the noble, dauntless alien set by such Silver Age cosmic heroes as the Silver Surfer, Adam Warlock and Captain Marvel (Mar-Vell) in that he is an everyman. He starred in an eponymous monthly ongoing series written by Mark Gruenwald that ran for sixty issues beginning in 1989 and has served as a member of The Avengers.
Annihilus is a supervillain appearing in American comic books published by Marvel Comics, primarily as an adversary to the Fantastic Four. The character debuted in Fantastic Four Annual #6, which was published in November 1968. Annihilus was created by writer Stan Lee and artist Jack Kirby, and was notably featured in the "Annihilation" event.
The mythology of the Stargate franchise is a complex and eclectic fictional backstory, which is presented as being historical, of the Stargate premise. A "rich mythology and world-building" are used to establish "a vast cosmology and an interesting alternate take on the history of Earth"; a defining feature is "its use of ancient mythology, with stories that take inspiration from multiple places around the globe". Narratives center around xeno-mythology as experienced by humans during episodic contact with alien races. Audiences across a variety of platforms - including TV series, novels, comics and movies - witness the people of Earth exploring a fictional universe using the Stargate. Species established early on in the franchise recur throughout, with one adversary often dominating a particular story arc, which can continue across several seasons.
The Chitauri are a fictional race of extraterrestrial shapeshifters appearing in American comic books published by Marvel Comics, specifically in Ultimate Marvel. They were created by Mark Millar and Bryan Hitch for the Ultimate universe franchise in place of the existing Marvel Comics alien species, the Skrulls, which play a similar role in the franchise's mainstream continuity. Marvel later chose to distinguish between the Skrulls and Chitauri of the Ultimate universe. The race first appeared in Ultimates #8, and later had counterparts on Earth-616.
Amatsu-Mikaboshi, the Chaos King, is a fictional character appearing in American comic books published by Marvel Comics. The character is usually depicted as a supervillain and demonic god of evil who is best known as an enemy of Hercules and Thor, and as the main antagonist of Chaos War. He is based on the Mikaboshi of Japanese mythology.
Ancient astronauts have been addressed frequently in science fiction and horror fiction. Occurrences in the genres include:
Roberto "Robbie" Reyes is an antihero appearing in American comic books published by Marvel Comics. He is the fifth Marvel character to use the name Ghost Rider, after Carter Slade, Johnny Blaze, Danny Ketch and Alejandra Jones.
Cosmic Ghost Rider is a fictional superhero appearing in American comic books published by Marvel Comics. His physical appearance and origin are an amalgam of Punisher, Ghost Rider, and Silver Surfer, with his personality inspired by Deadpool.
