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The Thunderbolts is a team of comic book supervillains and superheroes, as published by Marvel Comics.

The roster of the team has changed a great deal over the years. This page consists of the list of members during the team's history.

The codenames listed under Character are those used during the time the character was a member; under the notes section, super-villain codenames are listed if applicable. Many characters changed their codenames upon joining. Characters with multiple codenames during their membership have them listed in order of appearance, separated by a slash (/), and listed after their leader.^[1]

The following are members of the original Thunderbolts:^[2]

• Citizen V / Baron Helmut Zemo (leader)
• Atlas / Goliath
• MACH-I / MACH-II / MACH-III / MACH-IV / MACH-V / MACH-X / Beetle
• Meteorite / Moonstone
• Songbird / Screaming Mimi
• Techno / Fixer (Paul Ebersol)
• Jolt^[3]
• Hawkeye^[4]
• Charcoal^[5]
• Ogre^[6]
• Amazon / Man-Killer^[7]
• Blackheath / Plantman^[7]
• Cyclone (Pierre Fresson)^[7]
• Harrier / Cardinal^[7]
• Skein / Gypsy Moth^[7]
• Vantage^[8]
• Cobalt Man^[9]  – This was a disguise of Tony Stark when he infiltrated their ranks.

The following were members of second incarnation of the Thunderbolts:

• Atlas
• Songbird
• Blizzard (Donnie Gill)^[10]
• Photon^[10]
• Joystick^[11]
• Speed Demon^[11]
• Radioactive Man^[12]
• Nighthawk^[13]

During the "Civil War", apprehended villains were given a choice to either help the Thunderbolts or go to jail. The project occurred three weeks earlier with the threat of the Grandmaster and his Squadron Sinister. Some of them reformed and joined the Thunderbolts in the end, returned to a life of crime, or joined The Initiative. Here is a list of them:^[14][15]

• Ajaxis
• Aqueduct
• Batroc the Leaper
• Blacklash
• Bloodstrike
• The Beetles
  • Gary Quinn
  • Joaquim Robichaux
  • Elizabeth Vaughn
• Boomerang
• Bullseye
• Bushmaster
• Death Adder
• Doctor Octopus
• Eel
• Green Goblin
• Iron Maiden
• Jack O'Lantern
• Jester
• Killer Shrike
• King Cobra
• Lady Deathstrike
• Machete
• Mongoose
• Overmind
• Ox II (Ronald Bloch)
• Porcupine (Roger Gocking)
• Primus
• Psionex
  • Coronary
  • Mathemanic
  • Pretty Persuasions
• Quicksand
• Rattler
• Red Ronin
• Scarecrow
• Silk Fever
• Slyde
• Smiling Tiger
• Snake Marston
• Taskmaster
• Tatterdemalion
• Texas Twister
• Unicorn
• Venom (Mac Gargan)
• Vermin
• Whiplash
• Whirlwind
• U-Foes
  • Ironclad
  • Vector
  • X-Ray
  • Vapor
• Wrecking Crew
  • Bulldozer
  • Piledriver
  • Thunderball
  • Wrecker
• Zaran

The following are members of the third incarnation of the Thunderbolts following the "Civil War" storyline:^[16]

• Green Goblin (leader)
• Moonstone
• Bullseye
• Penance
• Radioactive Man
• Songbird
• Swordsman (Andreas von Strucker)
• Venom

During the "Dark Reign" storyline, the following were members of this incarnation of the Thunderbolts that was overseen by H.A.M.M.E.R.:^[17]

• Ant-Man
• Black Widow - Revealed to be Natasha Romanoff in disguise.
• Paladin
• Ghost
• Headsman
• Mister X^[18]
• Scourge^[19]
• Grizzly^[20]

During the "Heroic Age" storyline, the following members are members of this incarnation of the Thunderbolts:^[21]

• Luke Cage (leader)
• Fixer
• Moonstone
• MACH-V
• Songbird
• Ghost
• Crossbones
• Juggernaut
• Man-Thing
• Hyperion^[22]
• Satana^[23]
• Underbolts^[24]
  • Boomerang
  • Centurius
  • Mister Hyde
  • Shocker
  • Troll
• Dark Avengers^[25]
  • Barney Barton
  • Ai Apaec
  • June Covington
  • Ragnarok

The following are members of this incarnation of the Thunderbolts:^[26]

• Red Hulk (leader)
• Deadpool
• Elektra
• Punisher
• Agent Venom
• Red Leader^[27]
• Mercy^[27]
• Ghost Rider^[28]

Following the "Avengers: Standoff!" storyline, the following are members of this incarnation of the Thunderbolts:^[29]

• Winter Soldier (leader)
• Fixer
• Atlas
• Moonstone
• MACH-X
• Kobik

The following are members of this incarnation of the Thunderbolts that hunted Punisher:^[30]

• Citizen V / Baron Zemo (leader)
• Moonstone
• Ghost
• Fixer
• Radioactive Man
• Jigsaw - He posed as Paladin.

During the "King in Black" storyline, Mayor Wilson Fisk formed this incarnation of the Thunderbolts to help deal with the invasion from Knull^[31]

• Taskmaster (leader)
• Mister Fear (Larry Cranston)
• Batroc the Leaper
• Rhino
• Star
• Ampere - A villain with electrical gauntlets. Killed by Mister Fear for trying to leave the group.
• Snakehead - A villain in a snake mask. Devoured by a Symbiote Dragon.
• Figment^[32]
• Foolkiller^[32]
• Grizzly^[32]
• Man-Bull^[32]
• Mister Hyde^[32]

During the "Devil's Reign" storyline, Mayor Wilson Fisk passed a law that forbids superhero activities and forms the Thunderbolts units to apprehend any superheroes who break the law. Assisted by agents sporting the thunder bolt icon on their armor, the following are members of this incarnation of the Thunderbolts:^[33]

• U.S. Agent (leader)
• Agony (Gemma Shin)
• Electro (Francine Frye)
• Shocker
• Rhino
• Doctor Octopus
• Taskmaster^[34]
• Whiplash (Anton Vanko)^[34]
• Kraven the Hunter - This version was formerly known as the "Last Son of Kraven".^[34]
• Coachwhip^[35]
• Puff Adder^[35]
• Abomination^[36]

This group assembles in the aftermath of the Devil's Reign storyline:

• Hawkeye (leader)
• Spectrum
• America Chavez
• Power Man
• Persuasion
• Gutsen Glory - A new character whose background is classified.
• Eegro the Unbreakable - A new character from Monster Isle who is said to have an ultimate attack which involves him growing to gigantic size.

Following the events of "Captain America: Cold War" Bucky Barnes assembles a new lineup consisting of the world's best spies and assassins to permanently eliminate the Red Skull.

• The Revolution (Bucky Barnes) (leader)
• Contessa Valentina Allegra de Fontaine (Life Model Decoy)
• The Destroyer (Sharon Carter)
• Red Guardian (Alexei Shostakov)
• Black Widow (Natasha Romanova)
• White Widow (Yelena Belova)
• Gamemaster (Shang-Chi)
• U.S. Agent

The following are members of the original Thunderbolts team in the Marvel Cinematic Universe:

• Valentina Allegra de Fontaine — Founder
• Winter Soldier (James "Bucky" Barnes) — Field leader
• Black Widow (Yelena Belova)
• Ghost (Ava Starr)
• Red Guardian (Alexei Shostakov)
• Taskmaster (Antonia Dreykov)
• U.S. Agent (John Walker)
• Sentry (Robert "Bob" Reynolds)