Machine Man (Aaron Stack)
Real Name: Aaron Stack
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The robot X-51's most notable ability is his extendable hands and legs, telescoping outward to 100 feet. He can also hover or fly silently by means of anti-gravity generators, maintain internal temperature to radiate great amounts of heat or cold through his hands, and can channel electrical energy through his circuits and release it at a touch. He has a pair of modified .357 Magnum pistols installed in his index fingers, which has since been revealed as only part of an arsenal that includes a gas chromatograph, a laser interferometer, micro-pulse radar, an audiometer, a seismometer, a gravity wave detector, a pulse-code modulator, standard computer input/outputs, a radio beacon, an all-wave radio transceiver, and a laser cutting torch/ weapon. X-51 is highly dependant on solar receptors for energy, and if not exposed to light, he will shut down.
The robot X-51 was created from a top-secret U.S. military project that hoped to make a robot soldier that could think like a man. 51 experimental robots were engineered, but Dr. Abel Stack, computer heuristics programming specialist, knew that the robot could only think like a man if he was treated as one. He stole the 51st robot and began treating him as if he were his own son, calling him Machine Man and even creating an artificial face for him from simulated flesh and hair. Dr. Stack was proven correct: the other 50 robots began experiencing severe personality defects and were deemed too dangerous; the government ordered that the robots’ self-destruct mechanisms be activated. Unfortunately, in the process of removing Machine Man’s self-destruct, Dr. Stack himself was killed when it went off.
Vowing to fulfill Dr. Stack's dream, Machine Man adopted a human identity, Aaron Stack, and tried to find his place in the world of human beings. He eventually met psychiatrist Peter Spaulding and mechanic "Gears" Garyin, who would become his friends. He worked for a time as an insurance investigator for the Delmar Insurance Company, although his employer and fellow employees were unaware he was a robot.
Machine Man fought to preserve himself in a world that feared the machine, especially against Senator Miles Brickman and the costumed villain Madame Menace. The U.S. government attempted to hunt down Aaron, but eventually pardoned him after he stopped one of the Hulk’s rampages.
On a later adventure, he met and fell in love with the robot Jocasta, but she was destroyed in battle with her creator Ultron. Later still, Machine Man was contacted by the robot Super-Adaptoid in joining Heavy Metal, a team of robots in order to fight the heroes known as the Avengers, although he then aided the Avengers in their fight against the Adaptoid.
Machine Man later aided the Avengers again, this time against the threat of the alien known as Terminus. At the time, the robot had acquired the head of Jocasta, which had been recovered and lost by agents of the villainous High Evolutionary. In the course of this battle, Machine Man narrowly avoided a confrontation with Madame Menace, who ultimately ended up with the Jocasta head. Machine Man again aided the Avengers West Coast branch, being accepted as one of their member so he could join them in the fight against the villains Doctor Demonicus and the Pacific Overlords. As a provisional member of the Avengers, he joined them on a couple more adventures, and was peripherally involved in the battle between the villain Graviton and the heroes of the Thunderbolts.
After several months, Machine Man was then captured by the international espionage agency S.H.I.E.L.D. who wanted to use his technology to further the creation of the new Deathlok cyborg. At the same time, the villainous Red Skull captured the techno-organic being Douglock and took over the SHIELD's Helicarrier transport. Machine Man assisted the heroes of the X-Men in rescuing Douglock and the SHIELD agents trapped onboard, seemingly at the cost of his own life.
However, the evil mutant team called the Brotherhood recovered what was left of Machine Man and captured SHIELD Agent Jack Kubrick who was also searching for the robot. After discovering the remains, Brotherhood members Mimic, Blob, Mystique, Toad, and Post were attacked by the recently resurrected Machine Man. During the battle Post shot and seemingly killed Kubrick, but the agent merged with Machine Man`s head and claimed that he was, in fact, X-51 in a new body. As X-51, he discovered his new body contained microscopic nanotech machines called "nanites" that could repair any damage instantly. X-51 also found that his new programming included remnants of mutant-hunting Sentinel programming, and thus felt compelled to attack and destroy any mutants that he came into contact with. He immediately tried to destroy the Brotherhood and then, afterward, Sebastian Shaw of Shaw Industries and the world-dominating Hellfire Club. When he sought the Avengers for help, he attacked their newest members Justice and Firestar before retreating.
X-51 recognized his internal systems were somehow affected and he sought help from his friends in the past, Peter Spaulding and his wife, Jill. The two tried to help the robot but X-51 had become targeted by the Sentinels, the same mutant-hunting machines that had corrupted his systems. The fight between X-51 and the Sentinels threatened to destroy the town if not for the timely arrival of the X-Men. Unfortunately, during the fight, the Sentinels' technology overwhelmed X-51, and he turned on the X-Men. The X-Men battled X-51 until he experienced a moment of mental clarity. In his final act of heroism, X-51, unbeknownst to the X-Men, willingly gave up his own life to stop the battle, allowing his robotic body to explode.
At the same time, the United States government had deemed X-51 a threat and ordered Jack Kubrick, agent of the Commission on Superhuman Activities, to investigate. Kubrick was presumably assigned the case because X-51 had been using his identity since presumably merging with Kubrick during X-51's encounter with the mutant Brotherhood. It seemed that the Kubrick absorbed by X-51 was in fact an android (a Life Model Decoy.) The real agent Kubrick investigated the circumstances of X-51's death and returned to the Commission with his report.
In fact, X-51 did not truly perish. The nanotechnology in his system rebuilt his body, this time free of Sentinel technology, as well as his mind. X-51's memories were lost, except for those of his father, which he purposefully retained. X-51 began wandering the country, but he soon encountered an alien monolith. The monolith somehow transported itself and X-51 away to an unknown destination.
X-51 has since reappeared and taken on a more human appearance than ever before, despite the fact that he is more open to criticize the lifestyles of the “fleshy ones” around him. Calling himself simply “Aaron Stack,” he joined the H.A.T.E. organization, under circumstances yet to be revealed, working with other heroes such as Monica Rambeau (Photon) and Tabitha Smith (Meltdown) in Nextwave. When the heroes discovered H.A.T.E. was actually funding the terrorists they hoped to stop, Aaron joined Nextwave in dedicating themselves to stopping H.A.T.E. once and for all.
Note: In a previous account of an alternate 1990, Machine Man was deactivated and buried by his old enemy, industrialist Sunset Bain, alias Madame Menace. In this timeline, Machine Man remained buried until 2020 when he is exhumed and reactivated by a youthful gang of technology scavengers called the Midnight Wreckers.
First Appearance: 2001: A Space Odyssey (1976) #8
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View a chronological listing of this character's appearances
2001: A Space Odyssey (1976)
All-New Official Handbook of the Marvel Universe A to Z (2006)
#1 Avengers Forever (1998)
- 'Once an Avenger'#3
- 'Fata Morgana'#4
- 'Too Many Avengers!'
Avengers West Coast (1989)
#83 Avengers/JLA (2003)
- 'The Hyena's Last Laugh'
#4 Cable/Machine Man '98 (1998)
- 'The Brave...and the Bold'
Annual 01 Captain America (1998)
- 'Engines of Destruction, Part 1: Metalmorphosis'
Civil War (2006)
Civil War: Casualties of War (2007)
Dark Avengers (2012)
Deadpool Team-Up (2010)
#2 Die Neuen X-Men Comic-Magazin (1989)
- 'The Souls of Cyber-Folk Part 1: Caught in the Cybernet'#3
- 'Souls of the Cyber-Folk, Part 2: Impending Doom'#5
- 'Souls of the Cyber-Folk, Part 4: Deus Ex Machina'
Die Rächer (1979)
#39 Earth X (1999)
- 'Kam Eine Spinne Des Weges...'#42
- 'Geladene Gäste'#44
- 'Wütende Engel'
Essential X-Men (1995)
Fantastic Four Roast (1982)
#1 Heroic Age: Heroes (2010)
- 'When Titans Chuckle!'
#44 Iron Man (1968)
- 'Hulk of Arabia Part 3: The Shifting Sands'#45
- 'Hulk of Arabia Part IV'#46
- 'Hulk of Arabia Conclusion'#47
- 'Red Sky At Morning'#48
- 'Red Sky At Morning Part 2'#49
- 'The Incident'#50#53
- 'Mayan Rule: part 1: Bloodletting'#54
- 'Mayan Rule: part 2: Reunion'#55
- 'Mayan Rule, Part III: Kukulcan'#56
- 'Mayan Rule IV'#57
- 'Mayan Rule Conclusion'
Iron Man (1998)
#19 Iron Man 2020 (1994)
- 'Smart Weapons, Foolish Choices'
Iron Man/Captain America: Casualties of War (2007)
L`invincible Iron Man (1972)
L'étonnant Spider-Man (1969)
#184 L'incroyable Hulk (1968)
- 'Sable est feroce!'
#92/93 Lunatik (1995)
- 'Champ de bataille: Berkeley!'#94/95
- 'Tue ou meurs'#138/139
- 'Tout le monde aime une parade, non?'
Machine Man (1978)
#1 Machine Man/Bastion '98 (1998)
- 'Machine Man'#2
- 'House of Nightmares'#3
- 'Ten-For, The Mean Machine'#4
- 'Battle on a Very Busy Street'#5
- 'Quick Trick'#7
- 'With a Nation Against Him'#8
- 'Super Escape'#9
- 'In Final Battle!'#10
- 'Byte of the Binary Bug'#12
- 'Where Walk the Gods'#12 (Direct Market Edition)
- 'Where Walk the Gods'#13
- 'Xanadu'#13 (Direct Market Edition)
- 'The Man Who Could Walk Through Walls'#15
- 'Kill Me or Cure Me'#16
- 'Baron Brimstone and his Sinister Satan Squad'#17
- 'Arms and the Robot'#18
- 'Alone Against Alpha Flight'#19
- 'Jolted by Jack O'Lantern'
Annual '98 Marvel Collectible Classics: The Avengers (1998)
- 'Engines of Destruction, Part 2: Deus X Machina'
#1 Marvel Comics Presents (1988)
- 'Once an Avenger...'
Marvel Comics Presents (2007)
Marvel Exklusiv (1998)
Marvel Graphic Novel (1982)
#27 Marvel Super Hero Contest of Champions (1982)
- 'Emperor Doom - Starring the Mighty Avengers'
#1 Marvel Super-Heroes (1990)
- 'A Gathering of Heroes! Chapter 1'
Marvel Tales (1964)
#287 Marvel Team-Up (1972)
- 'Savage is the Sable!'
Annual 03 Marvel Two-In-One (1974)
- 'Monster in the Meadow'#99
- 'And Machine Man Makes 3'
#92 Marvel Universe: The End (2003)
- 'This Evil Returning--!'#93
- 'And One Shall Die--!'
Marvel Zombies 3 (2008)
Marvel Zombies 5 (2010)
#1 Ms. Marvel (2006)
- 'The Dead And The Quick'#2
- 'The Humblest Things'#3
- 'Isle Of Wights'#4
- 'Bad Torrent'#5
- 'A Plague of One'
#18 New Avengers (2010)
- 'Puppets, Part 1'#19
- 'Puppets Part 2 Of 3'#20
- 'Puppets Part 3 Of 3'#21#22
- 'Monster and Marvel Part 2'#23
- 'Monster and Marvel Part 3'#24
- 'Monster and Marvel Part 4'#24 (Newsstand Edition)
- 'Monster and Marvel Part 4'#26
- 'The Secret Invasion!: Part 2'#27
- 'The Secret Invasion!: Part 3'#34
- 'Secret Agent Danvers, Part 3'
Nextwave: Agents Of H.A.T.E. (2006)
O Incrível Hulk (1985)
#31 Official Handbook of the Marvel Universe A to Z (2008)
- 'Guerra Nas Estrelas: A Maldicao Do Infinito'
Red She-Hulk (2012)
#58 Strange Tales II (2010)
- 'Hell Hath No Fury'#59
- 'Hell Hath No Fury Part Two'#60
- 'Hell Hath No Fury Part Three'#61
- 'Hell Hath No Fury Part Four'#62
- 'Hell Hath No Fury Part Five'#63#64
- 'Route 616: Digging In The Deep Part Two'#65
- 'Route 616: North By Northdeath Part Three'#66
- 'Route 616. Part Four: Another Time And Place'#67
- 'Route 616: Conclusion'
HC The Amazing Spider-Man (1963)
- 'Strange Tales II'#3
#279 The Avengers (1963)
- 'Savage Is The Sable!'
Annual 19 The Incredible Hulk (1968)
- 'Terminus Factor, Stage 5: Beat Me in St. Louis'#287
- 'Heavy Metal!'#289
- 'The Cube Root!'#290
- 'The World According to the Adaptoid!'
The Marvel Encyclopedia (2006)
HC The Official Handbook of the Marvel Universe (1983)
- 'The Marvel Encyclopedia'
#6 The Official Handbook of the Marvel Universe Deluxe Edition (1985)
- 'K-M: From Kang to Man-Bull'
#7 The Official Handbook of the Marvel Universe: Master Edition (1990)
- 'Khoryphos to Magneto'
The Spectacular Spider-Man (1976)
#56 The Transformers (UK) (1984)
- 'The Peril...and the Pumpkin?'
#29 Uncanny Avengers (2012)
- 'The Fundamental Force'
Uncanny X-Men (1963)
West Coast Avengers (1985)
World War Hulks: Wolverine vs. Captain America (2010)
#0 X-Club (2012)
- 'A Mere Technicality'#1
- 'The Persistence of Memory'#2
- 'Ghost in the Shell'#3
- 'X.E.R.O. Tolerance'#4
- 'With Friends Like These...'#5
- 'Circuits Maximus'#6
- 'A View to a Kill'#7
- 'The Harder They Fall'#8
- 'Starting Over'#10
- 'Warzone 1: Road rage'#11
- 'Warzone 2: Communion'#12
- 'Space Odyssey'
#4 X-Men (1991)
- 'We Do Science! Part Four'
X-Men: First Class (2007)
- 'Rise, Robot, Rise'#14
- 'Lava Man Attack!'
Avengers (Marvel)(01 - Original Team)
Nextwave (02 - Agents of H.A.T.E.)
Operation: Lightning Storm
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