Doctor Spectrum (Marvel)(Earth 712 - Squadron)
Real Name: Joseph 'Joe' Ledger
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Can create light constructs. originaly this power came from his power prism but after it was shattered he absorbed the power
Joseph "Joe" Ledger is a former astronaut, who during a space mission saves the life of an alien called the Skrullian Skymaster. The grateful Skrull gives Joe Ledger the Power Prism, a gem capable of synthesizing energy. Ledge becomes the hero Doctor Spectrum and eventually joins the team the Squadron Supreme. Dr. Spectrum and the other members of the team are first encountered by four Avengers, who accidentally cross into the Earth-712 universe. The Avengers first battle, then assist the Squadron Supreme against the global threat of Brain-Child before returning to their own universe. Doctor Spectrum and the Squadron Supreme later battle the Avengers once again, who help to free the Squadron's Earth from the influence of the artifact the Serpent Crown.
Doctor Spectrum and the Squadron fall under the mind-control of the Over-Mind, and are eventually freed by the Defenders. Spectrum and the Squadron battle alongside the Defenders against the Over-Mind and his ally Null, the Living Darkness.
Doctor Spectrum goes on to play a significant role when the Squadron Supreme decide to take over their Earth and fashion it into a utopia, but after a deadly battle with several dissenting team members learns the error of his ways. During the climactic battle, he refuses to fight the Black Archer, who fires an arrow that shatters his power prism.
He and the surviving members of the Squadron Supreme later cross over into the Earth-616 universe and assist the Avengers against the villain the Nth Man, although after this mission the team find themselves unable to return to the Earth-712 universe.
Doctor Spectrum and the Squadron Supreme reside at the government facility Project Pegasus for a time, even falling under the Over-Mind's control again. They work with heroes such as Quasar and Doctor Strange, and deal with threats such as the Stranger and Deathurge before assisting the Avengers against the villain Imus Champion and then finding the means to return to their universe. The team disband on returning home, then reunite to stop corporate corruption, with Doctor Spectrum being the first to assist fellow hero Hyperion. Soon after this Dr. Spectrum and the team also aid the team the Exiles.
First Appearance: The Avengers (1963) #85
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View a chronological listing of this character's appearances
Age of Ultron (2013)
#10 Alias (2001)
- 'Age of Ultron: Book Ten'
#5 Avengers (2010)
- 'Accusation Most Foul'#6
- 'Earth's Mightiest Frauds?'#10
- 'Pomp & Pageantry'
Avengers/Squadron Supreme '98 (1998)
Captain America (1968)
Annual 1 Jessica Jones: Avenger (2016)
- 'Rules of the Game'#77
- 'World Tour: Squadron Supreme: Part 1'#78
- 'World Tour: Squadron Supreme: Part 2'
TPB Marvel Age (1983)
- 'Jessica Jones: Avenger'
Marvel Encyclopedia (2014)
Marvel Zombies Supreme (2011)
#13 Siren (1995)
- 'The Earth You Have Reached...'#14
- 'The World My Laboratory'#15
- 'Death Watch'#16
- 'Germ of an Idea'#17
- 'Reborn to Run'#19
- 'Prolog: Refugees'#25
- 'All -- or Nothing!'#27
- 'From Here to Maternity'#28
- 'Mating Dance'#50
- 'Horizon of Holes'#52
- 'Sacred Geometries'#53
- 'To the Fifth Power'#54
- 'Starblast Pt. 2: Search Party'#60
- 'The Long Good-Bye'
#1 Sleepwalker (1991)
- 'Deeper and Deeper'#2
- 'Shades of Truth'
#7 Squadron Supreme (1985)
- 'The Ties That Bind!'
#1 Squadron Supreme: Death of a Universe (1989)
- 'The Utopia Principle'#2
- 'A Small Sacrifice'#3
- 'Change Of Heart'#5
- 'Inner Circle'#7
- 'Love & Death'#8
- 'The Clash'#9
- 'Borrowed Time!'#10
- 'The Dark From Within'#11
- 'The Dregs Of Victory'
OGN SC Squadron Supreme: New World Order (1998)
- 'Death of a Universe'
The Avengers (1963)
#85 The Defenders (1972)
- 'The World is not for Burning!'#86
- 'Brain-Child to the Dark Tower Came...!'#141
- 'The Phantom Empire!'#142
- 'Go West, Young Gods!'#144
- 'Crisis on Other-Earth'#148
- '20,000 Leagues Under Justice!'#149
- 'The Gods and the Gang!'
#112 The Marvel Encyclopedia (2006)
- 'Strange Visitor From Another Planet!'#113
- 'Moon Madness!'#114
- 'Dance of Darkness/Dance of Light!'
HC The Official Handbook of the Marvel Universe Deluxe Edition (1985)
- 'The Marvel Encyclopedia'
The Official Handbook of the Marvel Universe: Update '89 (1989)
#2 The Phoenix Resurrection: Genesis (1995)
- 'Champion of the Universe to Ecstasy'
#280 Ultimate Power (2006)
- 'Crisis on Twin Earths!'
#7 Web of Spider-Man (1985)
- 'Part 7 of 9'#8
- 'Part 8 of 9'#9
- 'Part 9 of 9'
West Coast Avengers (1985)
What If Jessica Jones Had Joined the Avengers? (2005)
#1 What If? (1977)
- 'What If... Jessica Jones Had Joined The Avengers?"'
#1 What If...? (1989)
- 'What If... Spider-Man Joined The Fantastic Four?'
- 'What If the Avengers Had Lost The Evolutionary War?'
Squadron Supreme (Marvel)(Earth-712)
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