Baron Wolfgang von Strucker is a supervillain appearing in American comic books published by Marvel Comics. A former Nazi officer, he is one of the leaders of the Hydra terrorist organization, and the archenemy of Nick Fury and S.H.I.E.L.D. He has also come into conflict with the Avengers, and the interests of the United States, and is thus a fugitive. He has been physically augmented to be nearly ageless. While Strucker has been seemingly killed in the past, he returned to plague the world with schemes of world domination and genocide, time and time again.
The Brood are a fictional race of insectoid, parasitic, extraterrestrial beings appearing in American comic books published by Marvel Comics, especially Uncanny X-Men. Created by writer Chris Claremont and artist Dave Cockrum, they first appeared in The Uncanny X-Men #155.
Doctor Anthony Druid, also known as Doctor Droom and Druid, is a fictional mystic and a supernatural monster-hunter appearing in American comic books published by Marvel Comics. Co-created by writer-editor Stan Lee and penciller Jack Kirby, he debuted as Dr. Anthony Droom in Amazing Adventures #1, published in March 1961. Kirby's art was inked by artist Steve Ditko. Dr. Droom appeared in four more issues of Amazing Adventures before his stories discontinued. Over a year later, artist Steve Ditko approached Stan Lee with a new magic character called Mr. Strange. Liking the idea, Stan Lee renamed the character Dr. Strange and wrote an origin story similar to Dr. Droom's. Dr. Anthony Droom was finally reintroduced to comics in 1976 in Weird Wonder Tales #19 in a retelling of his origin story which renamed him Dr. Anthony Druid. This retelling included new writing by Larry Lieber.
The elixir of life, also known as elixir of immortality, is a potion that supposedly grants the drinker eternal life and/or eternal youth. This elixir was also said to cure all diseases. Alchemists in various ages and cultures sought the means of formulating the elixir.
A.I.M. is a fictional criminal organization appearing in American comic books published by Marvel Comics. Created by Stan Lee and Jack Kirby, it first appeared in Strange Tales #146. A.I.M. is primarily depicted as a think tank of brilliant scientists dedicated to world domination through technological means.
The Watchers are a race of fictional extraterrestrials appearing in American comic books published by Marvel Comics. They are commonly depicted as all-powerful beings who watch over the fictional multiverses and the stories that take place in them, and are not allowed to interact with other characters, though they have done so on several occasions, when the situation demanded it. Created by Stan Lee and Jack Kirby, the first Watcher to appear in the comics—named Uatu—debuted in Fantastic Four #13.
Diablo is a supervillain appearing in American comic books published by Marvel Comics. The character is depicted as an evil alchemist, and an enemy of the Fantastic Four. Created by writer Stan Lee and artist Jack Kirby, the character first appeared in Fantastic Four #30.
The Hate-Monger is the name of several different fictional characters appearing in American comic books published by Marvel Comics.
Mentallo is a fictional supervillain, a mutant appearing in American comic books published by Marvel Comics. After having been fired for cause after attempting a covert S.H.I.E.L.D. takeover, he has since operated as both a freelance criminal and subversive, and a high-ranking agent of HYDRA. He is usually depicted as using technology to increase his power.
The Yellow Claw is a supervillain appearing in American comic books published by Marvel Comics. Created by writer Al Feldstein and artist Joe Maneely, the character first appeared in Yellow Claw #1, published by Atlas Comics, the 1950s predecessor of Marvel.
Scorpio is the name of several fictional characters appearing in American comic books published by Marvel Comics. Most of the characters to use the Scorpio identity have been supervillains affiliated with the Zodiac criminal cartel, and in this context were enemies of the Avengers and other superheroes.
Zodiac is the name of different groups of fictional characters appearing in American comic books published by Marvel Comics.
The Howling Commandos is the name of several fictional groups appearing in American comic books published by Marvel Comics. The team also appears in the franchises developed for other media.
Baron Blood is the name of several supervillains appearing in American comic books published by Marvel Comics. The first incarnation of Baron Blood, John Falsworth, first appeared in The Invaders #7, who has been part of the superhero Captain America's rogues gallery since World War II. The second incarnation, Victor Strange, debuted in Doctor Strange, Sorcerer Supreme vol. 3 #10. The third incarnation, Kenneth Crichton, made his first appearance in Captain America #253.
Zaran is a supervillain appearing in American comic books published by Marvel Comics. The codename Zaran has been carried by two characters related to another.
Tilda Johnson, introduced as the Queen of the Werewolves and also known as Dr. Nightshade, Deadly Nightshade, or simply Nightshade, is a fictional character appearing in American comic books published by Marvel Comics. Introduced as a supervillain opposing Captain America, Falcon, Power Man, Iron Fist, and Black Panther, she is later reformed, becoming the superhero Nighthawk and joining the Avengers in 2017.
