Doctor Doom is a supervillain appearing in American comic books published by Marvel Comics. Created by Stan Lee and Jack Kirby, the character first appeared in The Fantastic Four #5. In his comic book appearances, Doctor Doom is depicted as the monarch of Latveria whose goal is to bring order to humanity through world conquest. He serves as the archenemy of Reed Richards and the Fantastic Four, though he has also come into conflict with other superheroes in the Marvel Universe, including Spider-Man, Iron Man, Doctor Strange, the Black Panther, the X-Men, and the Avengers. While usually portrayed as a villain, Doom has also been an antihero at times, working with heroes if their goals align and only if it benefits him.
Kang the Conqueror is a supervillain appearing in American comic books published by Marvel Comics. Created by Stan Lee and Jack Kirby, the character first appeared in The Avengers #8. Kang the Conqueror is most frequently depicted as an opponent of the Avengers and the Fantastic Four. A time-traveler, several alternate versions of Kang have appeared throughout Marvel Comics titles over the years, such as Rama-Tut, Immortus, Scarlet Centurion, Victor Timely, Iron Lad, and Mister Gryphon.
Klaw is a supervillain appearing in American comic books published by Marvel Comics. The character is depicted as a human physicist who has been transformed into solid sound, and who wears a sonic emitter on his right wrist as a prosthetic device. He is often in conflict with the Fantastic Four and the Avengers, and he is also an enemy of the Black Panther and Ka-Zar.
Rick Jones is a fictional character appearing in American comic books published by Marvel Comics. The character has been depicted as a sidekick and friend to the Hulk, Captain America, Mar-Vell / Captain Marvel, Rom the Spaceknight, and Genis-Vell / Captain Marvel.
The Frightful Four are a group of fictional characters appearing in American comic books published by Marvel Comics. They serve as the antithesis to the Fantastic Four.
The Wizard, also known as the Wingless Wizard, is a supervillain appearing in American comic books published by Marvel Comics. He first appeared as an enemy for the Human Torch.
The Cosmic Cube is a fictional object appearing in American comic books published by Marvel Comics. There are multiple Cubes in the Marvel Universe, all of which are depicted as containment devices that can empower whoever wields them. Although the first version, introduced in Tales of Suspense #79 and created by Stan Lee and Jack Kirby, originated on Earth as a weapon built by Advanced Idea Mechanics, most are of alien origins.
The Mad Thinker is a supervillain appearing in American comic books published by Marvel Comics. He is portrayed to be an evil genius specializing in robotics. He is sometimes referred to just as "The Thinker".
The Ultimate Nullifier is a fictional device of immense power appearing in American comic books published by Marvel Comics. The device made its first appearance in Fantastic Four volume 1, issue #50, in which Johnny Storm retrieves it from the home of Galactus to employ against Galactus himself. The Nullifier appears as a small, hand-held metallic device with no apparent functionality. When first introduced in 1966, it was described as the only known weapon in the universe capable of inspiring fear in Galactus.
Sharon Carter is a character appearing in American comic books published by Marvel Comics. Created by Stan Lee, Jack Kirby, and Dick Ayers, the character first appeared in Tales of Suspense #75. Sharon Carter is a secret agent and an ex-field agent of S.H.I.E.L.D. under Nick Fury. She is also a love interest of the superhero Captain America / Steve Rogers. Sharon Carter was originally the younger sister of Peggy Carter. She was later retconned as Peggy's grand-niece because of the unaging nature of comic book characters.
Nightmare is a fictional supervillain appearing in American comic books published by Marvel Comics. He first appeared in Strange Tales #110 and was created by Stan Lee and Steve Ditko. The character is depicted most commonly as a major enemy of Doctor Strange and Ghost Rider. Nightmare is the ruler of a Dream Dimension and he is one of the Fear Lords. He is also part of the group called The Six Fingered Hand. He can drain the psychic energies from the subconscious minds of dreaming beings.
Roma is a fictional character appearing in American comic books published by Marvel Comics. She is the daughter of Merlyn. Roma is the Omniversal Guardian, charged with the safety of the Omniverse. She is assisted in her task by Saturnyne, and the Captain Britain Corps.
Psycho-Man is a supervillain appearing in American comic books published by Marvel Comics.
Machinesmith is a supervillain appearing in American comic books published by Marvel Comics, most notably as a regular enemy of Captain America. He specializes in robotics, and is able to make convincing robotic doubles of other superhumans. His own mind was ultimately transferred to a robotic body.
The Enclave is a fictional organization appearing in American comic books published by Marvel Comics. Typically depicted as a group of dictatorially-minded scientists, the Enclave is best known for creating the characters Adam Warlock and Kismet.
Doctor Faustus is a supervillain appearing in American comic books published by Marvel Comics. The character is depicted usually as an adversary of Captain America. An Austrian psychiatrist and criminal mastermind who employs psychological manipulation on his enemies, the character was created by writer Stan Lee and artist Jack Kirby, and first appeared in Captain America #107.
Condor is a fictional character appearing in American comic books published by Marvel Comics.
Occulus is a supervillain appearing in American comic books published by Marvel Comics, usually as an enemy of the Fantastic Four. He was one of the first villains imprisoned in the Negative Zone prison.
"Empyre" is a comic book story arc published in July 2020 by Marvel Comics. This storyline follows the events of Incoming! with the genre of superhero crossover.
