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Doctor Spectrum was a member of the Squadron Supreme.

Appearances

Avengers Assemble

Doctor Spectrum was an alien superhero from a distant world where they he was a member team of heroes similar to the Avengers called the Squadron Supreme. The people of their world feared their power and turned against them. As a final solution, Hyperion destroys his home planet along with his team on it, escaping into space in his Citadel.

Using the Reality Gem, Doctor Spectrum alters reality so the Avengers are all criminals with darker costumes and the Avengers Tower is headquarters of the Squadron. Due to a spike in energy, Iron Man sees the real reality and manages to convince his team to come together. However, Spectrum has created a machine that will give him complete control over reality, and plans to alter history so the Avengers were never born. Captain is able to get a hold of the stone and revert reality back to normal. The Squadron leaves with Nighthawk activating charges placed at the base of Avengers Tower. The Avengers manage to prevent the structure from falling onto New York in time for J.A.R.V.I.S. to activate the repair systems.

In "Spectrums," it is revealed that Nighthawk and Hyperion attached the Power Prism to Doctor Spectrum in order to destroy the Squadron Supreme's planet. Ant-Man led Captain America, Iron Man, and Thor to Doctor Spectrum's hideout where it turned out that he was one of the people that was sold Ant-Man's technology. The technology in question had allowed Doctor Spectrum to get control of the Power Prism. During the fight, he harvested the feelings of Captain America, Iron Man, and Thor in order to create copies of Winter Soldier, Ultron, and Loki. After Ant-Man managed to free Doctor Spectrum from the Power Prism with information that was learned from Falcon, Doctor Spectrum reverted back to Billy Roberts. In the aftermath of the fight, Iron Man and Ant-Man hooked Billy Roberts up with S.H.I.E.L.D.'s space program to help in it's space exploration and to find a suitable planet for Billy to reside on. As for the Power Prism, it made it's way back to Nighthawk where it no longer needs a host and forms it's own body modeled after Doctor Spectrum.

In the episode "Avengers' Last Stand," the Power Prism's Doctor Spectrum form joins the Squadron Supreme into enacting Nighthawk's plot against the Avengers. In the episode "Avengers Underground," the Power Prism's Doctor Spectrum form is defeated by Ant-Man as Captain America uses the Power Prism to turn the sun blue so that Black Widow can defeat Hyperion.

Trivia

As the Squadron Supreme is based off of DC's Justice League, Doctor Spectrum is the SS version of Green Lantern. His voice actor, Phil LaMarr, previously voiced the John Stewart Green Lantern in the Justice League cartoon.

Gallery

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Shows
The Avengers: Earth's Mightiest HeroesUltimate Spider-Man (Episode List) • Avengers Assemble (Episode List) • Hulk and the Agents of S.M.A.S.H.Guardians of the Galaxy (Episode List) • Spider-Man (Episode List)
Books
Ultimate Spider-Man: Why I Hate GymUltimate Spider-Man: Flight of the Iron Spider!Ultimate Spider-Man: Venom!Ultimate Spider-Man: Doomed!Ultimate Spider-Man: Great ResponsibilityUltimate Spider-Man: Great Power
Video Games
Marvel Avengers: Battle for EarthIron Man 3: The Official GameDisney INFINITY: 2.0 EditionDisney INFINITY: 3.0 EditionMarvel: Contest of ChampionsMarvel: Avengers AllianceMarvel vs. Capcom series (Marvel vs. Capcom: Infinite)
Characters
Heroes: Spider-ManIron ManCaptain AmericaHulkThor OdinsonHawkeyeBlack WidowFalconA-BombRed HulkShe-HulkSkaarWolverinePower ManWhite TigerIron FistNovaMr. FantasticInvisible WomanHuman TorchThe ThingGhost RiderPunisherStar-LordGamoraRocket RaccoonDrax the DestroyerGrootHank PymScott LangWaspVisionCaptain MarvelBlack PantherBucky BarnesQuakeDoc SamsonCloak and DaggerDoctor StrangeCrystal AmaquelinSquirrel GirlKa-ZarMedusa AmaquelinBlack BoltTritonMockingbirdAdam WarlockBeta Ray BillMs. MarvelBlack CatSpider-GirlMadame WebSpider-GwenMiles MoralesScarlet SpiderBeastBladeMoon KnightCyclopsStormAngelaInfernoBeetleSongbirdTechnoAtlasMeteoriteSpider-WomanRed GuardianDarkstarRadioactive ManUrsa MajorWerewolf by NightMan-ThingFrankenstein's MonsterN'Kantu

Villains: Red SkullMODOKAbominationLoki LaufeysonUltronWhiplashVenomDoctor OctopusLeaderDoctor DoomNighthawkDoctor SpectrumPower PrincessSpeed DemonSuper-AdaptoidAnnihilusDestroyerGrim ReaperCrimson DynamoGreen GoblinLizardTaskmasterSandmanElectroHydro-ManKraven the HunterBaron StruckerRonan the AccuserGalactusThanosViperEnchantressMagnetoMystiqueBaron ZemoNebulaKorathSurturFire DemonsMichael KorvacMaestroMorgan Le FayBlack Widow IIBatrocShockerVultureGhostSeekerGrowing ManDormammuDraculaUltimo
Other Characters: Nick FuryMaria HillJane FosterJ.A.R.V.I.S.DeadpoolHarry OsbornHoward the DuckCosmo the SpacedogOdin BorsonBen ParkerMay ParkerBetty Brant Liz Allan

Organizations
The AvengersGuardians of the GalaxyS.H.I.E.L.D.Nick Fury's Howling CommandosHYDRAA.I.M.Stark IndustriesSquadron SupremeMasters of EvilThe Sinister SixKreeInhumansFantastic Four (team)Winter Guard
Objects/Weapons
Captain America's ShieldIron Man's ArmorMjolnirPym Particles