S.H.I.E.L.D.
Nick Fury
Alter Ego: Nicholas Joseph "Nick" Fury
Notable Aliases: Scorpio, Gemini, The Unseen
First Appearance: Sgt Fury and his Howling Commandos #1 (May, 1963) note ; Original Sin #8 (September, 2014) note
The Howling Commando. The S.H.I.E.L.D. Ramrod. A 90-year-old soldier/CIA agent/spymaster/fugitive. Considered to be one of the good guys by pretty much every hero on the planet, partly because the idea of not being on his side is kind of terrifying.
Maria Hill
Alter Ego: Maria Hill
Notable Aliases: Director Hill, Agent/Special Agent Hill, Mary Huell, Commander Hill, Deputy Commander Hill, Sub-Director Hill, Deputy Director Maria Hill
First Appearance: The New Avengers #4 (March, 2005)
A high-ranking SHIELD agent with a temperamental relationship with Tony Stark and the rest of the superhero community, Maria Hill served as Stark's Number Two during his term as director of the intelligence agency SHIELD. She stayed with Stark during Norman Osborn's tenure, and has since returned to active duty.
Sharon Carter
Alter Ego: Sharon Carter
Notable Aliases: Agent 13, Fraulein Rogers, Gaea-1, Irma Kruhl, "The Most Dangerous Spy in the World", Ronnie, Shary, Iron Patriot
First Appearance: Tales of Suspense #75 (March, 1966)
The sister/niece of Steve's World War II love interest Peggy Carter, who works alongside Steve as an agent of SHIELD. The two have an on-again, off-again love affair, which is currently off due to her catching a bad case of dead... except, nope, it was a fake out, she was alive the whole time, she just aged ten years in another dimension and spent her time raising Steve's son. Consider it on again.
Agent Elder
Alter Ego: Elder (full name unknown)
Notable Aliases:
First Appearance: Black Widow (Vol. 6) #2 (April, 2016)
- Taking You with Me: Unwilling to let Weeping Lion's men to get some important files, Elder set off a grenade located in the vest one of Lion's men, causing an explosion that killed him and the henchmen, and destroyed the files.
- We Hardly Knew Ye: Introduced and killed in the same issue.
Heroes
Captain America
Alter Ego: Steven "Steve" Grant Rogers
Notable Aliases: Nomad, The Captain
First Appearance: Captain America Comics #1 (March, 1941)
Daredevil
Alter Ego: Matthew "Matt" Murdock
Notable Aliases: Man Without Fear, Jack Batlin, Mike Murdock, Scarlet Swashbuckler, God Without Fear
First Appearance: Daredevil #1 (April 1964)
Hawkeye
Alter Ego: Clinton "Clint" Barton
Notable Aliases: Goliath, Golden Archer, Ronin
First Appearance: Tales of Suspense #57 (September, 1964) note ; Avengers #63 (April, 1969) note ; Captain America #179 (November, 1974) note ; New Avengers #27 (April, 2007) note
The Hulk
Alter Ego: Dr. Robert Bruce Banner
Notable Aliases: Joe Fixit, War, World-Breaker, Doc Green, Devil Hulk
First Appearance: The Incredible Hulk #1 (May, 1962)
After being bombarded with a massive dose of gamma radiation while saving a young man's life during an experimental bomb testing, Dr. Robert Bruce Banner was transformed into the Incredible Hulk: a green behemoth who is the living personification of rage and pure physical strength.
Iron Man
Alter Ego: Anthony Edward "Tony" Stark
Notable Aliases: Crimson Dynamo, Cobalt Man, Mark One
First Appearance: Tales of Suspense #39 (March, 1963)
Tony Stark was the arrogant son of wealthy, weapon manufacturer Howard Stark. Tony cared only about himself, but he would have a change of heart after he was kidnapped by terrorists and gravely injured. Pressured to create a weapon of mass destruction, Stark instead created a suit of armor powerful enough for him to escape. Tony uses his vast resources and intellect to make the world a better place as The Invincible Iron Man. Stark's super hero identity led him to become a founding member of the Avengers.
Mockingbird
Alter Ego: Barbara "Bobbi" Morse Barton
Notable Aliases: Agent 19, the Huntress
First Appearance: Astonishing Tales #6 (June, 1971) note ; Marvel Super Action #1 (January, 1976) note ; Marvel Team-Up #95 (July, 1980) note
Spider-Man
Alter Ego: Peter Benjamin Parker
Notable Aliases: Bombastic Bag-Man, Ricochet, Dusk, Prodigy, Hornet, Ben Reilly, Scarlet Spider, Captain Universe, Liar
First Appearance: Amazing Fantasy #15 (August 1962)
Thor
Alter Ego: Thor Odinson
Notable Aliases: Siegmund, Siegfried, Dr. Donald Blake, Jake Olson, Sigurd Jarlson, Eric Masterson, Odinson, Herald of Thunder
First Appearance: Journey into Mystery #83 (August, 1962)
Thor Odinson is the All-father of Asgard /God of Thunder, offspring of All-Father Odin & the Elder Earth-Goddess Gaea. Combining the powers of both realms makes him an elder-god hybrid and a being of limitless potential. Armed with his enchanted Uru hammer Mjolnir which helps him to channel his godly energies. The mightiest and the most beloved warrior in all of Asgard, a staunch ally for good and one of the most powerful beings in the multiverse/omniverse. Thor is also a founding member of the Avengers.
Winter Soldier
Alter Ego: James Buchanan "Bucky" Barnes
Notable Aliases: Bucky, Winter Soldier, Captain America
First Appearance: Captain America Comics #1 (March, 1941) note ; Captain America #1 (January, 2005) note ; Captain America #34 (January, 2008) note
Formerly Steve Rogers' Kid Sidekick during World War II, when he was known as 'Bucky'. He was apparently killed shortly before Steve was frozen in suspended animation, but was recently revealed to have been captured, near death, by the Soviets. Equipped with a cybernetic arm and Brainwashed into becoming the assassin known as the Winter Soldier, he played the role of a villain until Steve brought him back to his senses and had him reform. With the apparent death of Steve, Bucky took the mantle of Captain America with the blessing of Tony Stark. He kept the shield after Steve's resurrection, only to be apparently killed in battle with Cul, the Serpent, at which point the mantle went back to Steve, while Bucky resumed operations as the Winter Soldier.
Wolverine
Alter Ego: James "Logan" Howlett
Notable Aliases: Logan, Jeremiah Logan, Patch, Weapon X, Death, Mutate #9601, Emilio Garra, Weapon Chi, Experiment X, Agent 10, Peter Richards, Mai' keth, Black Dragon, Captain Canada, Captain Terror, John Logan, Jim Logan
First Appearance: The Incredible Hulk #180 (October, 1974) note ; The Incredible Hulk #181 (November, 1974) note
Others
Crimson Dynamo
One of the few Iron Man villains to possess any staying power, the Krasnyiy Dinamit (Crimson Dynamo) was Soviet Russia's answer to the Iron Man armour. Originally built and worn by scientist Anton Vanko, twelve men and one woman have donned the Crimson Dynamo armour over the course of Iron Man's publication history.
The Punisher
Alter Ego: Frank G. Castle (born Francis Castiglione)
Notable Aliases: Mr. Smith, Charles Fort, Frank Rook, Johnny Tower, Franken-Castle, War Machine
First Appearance: The Amazing Spider-Man #129
Red Widow
Alter Ego: Ava Anatalya Orlova
First Appearance: Mockingbird: S.H.I.E.L.D. 50th Anniversary #1 (September 2015)
A young girl whose life was saved by the Black Widow. Years later, she took up the name Red Widow to honor her savior.
- Color Character: Red Widow, which is rather similar to the codename of the Winter Guard's Crimson Widow.
- Dual Wielding: Similarly to Natasha, Ava usually fights with dual sabers.
- Shock and Awe: Ava can channel electricity through firearms and along her sabers.
- What Happened to the Mouse?: Hasn't reappeared at all since 2016.
Ivan Petrovich
Alter Ego: Ivan Petrovitch Bezukhov
Notable Aliases:
First Appearance: Amazing Adventures (Vol. 2) #1 (August, 1970)
Iosef
Alter Ego: Iosef (full name unknown)
Notable Aliases:
First Appearance: Black Widow (Vol. 6) #4 (June, 2016)
- Died in Your Arms Tonight: Died in Natasha's arms.
- Only One Name: His full name was never revealed.
- We Hardly Knew Ye: He was introduced and killed on the same issue.