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Name: Jack Hart Occupation: Adventurer Identity: Publicly known Legal Status: Citizen of the United States with no
criminal record Former Aliases: None Place of Birth: New Haven, Connecticut Marital Status: Single Known Relatives: Philip (father, deceased), Marie (mother) Group Affiliation: None Base of Operations: Unknown, somewhere in outer space First Appearance: DEADLY HANDS OF KUNG FU #22
History: Jack Hart was the son of Philip Hart, a
brilliant scientist who developed a revolutionary, extremely
efficient liquid fuel called "Zero Fluid," and
a humanoid alien woman of the Contraxian
race. The alien was one of many scientists dispatched to
try to discover an energy source to resuscitate the dwindling
nuclear processes of the Contraxian sun. Learning of Philip
Hart's experiments, the alien assumed a totally human form
to keep Hart under surveillance. Hart and the alien eventually
met, married, and by as yet unknown means, produced a son
they named Jack. The alien woman, "Marie," died
in a car accident when the boy was a child, and neither
her husband nor child ever learned of her extraterrestrial
origin. (Apparently, an autopsy was not performed on her
body.) When the boy was teen-aged, Philip Hart perfected
his "Zero Fluid" and decided to donate the fuel
to all the free countries of the world. Hart was then contacted
by agents of the criminal Corporation who wanted to market
the Zero Fluid. Refusing to deal with them, Philip Hart
was murdered by Corporation agents before the eyes of his
Managing to escape, Jack Hart took refuge in his father's
basement laboratory Corporation agents broke in minutes
later, and their laser-cannon sheared through the laboratory
door, striking the vat of Zero Fluid. Doused by the powerful,
corrosive fuel, Hart underwent a mutagenic change and began
to glow. With an uncontrollable burst of energy generated
by his entire body, Hart killed his father's murderers.
Vowing vengeance on the entire Corporation, Hart fashioned
a costume for himself, plundering his father's collection
of armament. Somehow the armor interacted with the final
stage of mutation and provided a moderator that contained
and controlled the release of his body's energy
Calling himself Jack of Hearts as a tribute to his father's
passion for playing cards, he embarked on a mission of vengeance.
Initially his quest for vengeance on the Corporation was
blind and intolerant, leading him into conflict with such
innocents as the Sons of the Tiger and the Hulk.
Later he aided Iron Man in
International from takeover by Mordecai Midas, and was
taken under Iron Man's tutelage for a brief time. When his
energy powers began to increase uncontrollably, he placed
himself into S.H.I.E.L.D.
custody. There he met a former classmate of his, Marcy Kane,
who was also actually a Contraxian. She revealed to him
his mother's extraterrestrial origin and convinced him to
accompany her back to Contraxia to try to save their sun.
On Contraxia, a cult calling themselves the Survivalists
captured Jack of Hearts to force him to do what he was intending
to do anyway. He was flown in a starship to Contraxia's
sun and there vaporized the craft before sending the energies
of his body into the sun. In some as yet unknown manner,
he apparently restored the vast quantities of hydrogen necessary
to sustain the nuclear reactions of the sun, and added an
undisclosed number of years to the suns life. Then, still
radiating great energy, he returned to Contraxia, his vast
heat melting the polar icecaps, in order to say farewell
to his girlfriend and to lecture the Contraxians about morality.
He then flew off into outer space, realizing that he could
no longer live among organic beings with his vast energies
still emanating out of control.
Under unrevealed circumstances, Jack of Hearts was captured
by the enigmatic alien, the Stranger, and placed on his
planet for study. Jack of Hearts was inadvertently freed
by the Avenger Quasar, who had traveled to the Stranger's
world for his own purposes. Joining other refugees of Earth,
Jack of Hearts returned to their native planet, only to
be mind-controlled by another refugee, the Presence, into
fighting Quasar. His armor was breached in the fight, and
Jack appeared to have exploded in a burst of Zero energy.
Actually, Jack was rescued and healed by the Moondragon,
in her bid to gain an ally to prove herself as a worthy
consort for Quasar. Jack proved overzealous as a mentally-influenced
agent of Moondragon, who soon abandoned her designs on Quasar
anyway, and Jack was released from her control.
Jack sequestered himself in the abandoned Hart residence,
but found his condition rapidly deteriorating, as his energies
again threatened to go out of control. Returning to space,
Jack sought out the alien Silver
Surfer for help. The Surfer led Jack to an alien armor-wielder,
who created a new and better energy-regulating armor for
him. Jack remained with Surfer for a short time, and both
teamed up with other cosmic heroes when they encountered
the mega-powerful entity known as the Tyrant. The battle
left Jack of Hearts severely weakened, and he was nursed
back to health by fellow adventurer Ganymede, whereupon
the two became lovers.
Ganymede was the last member of a sisterhood dedicated
to the opposition of Tyrant. She refused to engage in physical
intimacy, which was not an option for the armor-bound Jack.
She was also at one point willing to abandon an injured
Jack rather than let her enemy escape. Although Jack remained
by Ganymede's side for many months, they eventually went
their separate ways.
Once, while journeying through space, Jack of Hearts happened
upon agents of the cosmic beings known as the Infinites,
an encounter which left him nearly dead. The incident also
alerted members of the hero team Avengers,
including Moondragon. The Avengers rescued Jack and Moondragon
helped restore his armor to his original design with several
sophisticated upgrades. Jack and the Avengers confronted
the Infinites directly, convincing the beings of the danger
they posed to the universe. Afterwards, Jack remained alongside
the group to confront a galactic federation's decree that
Earth should become a penal colony for the universe's known
criminals, and he helped expose the alien Kree
as masterminds of the plot. Returning to Earth, he helped
the Avengers round up the remaining criminals and also helped
the Avengers set up new security and analytical tactics
to become a more effective team.
Jack remained with the Avengers for several missions,
including those against the time-traveling Kang when he
nearly succeeded in conquering the Earth. During this time,
the Avengers extended membership to Jack in gratitude for
his efforts, and he readily accepted. The Avengers also
developed a new strain of neutro-mist that allowed Jack
to exist safely outside his armor for short periods of time.
Height: 5 ft. 11 in. Weight: 175 lbs (without armor) Eyes: Blue (right), white (left) Hair: Brown Unusual Futures: The left half of Jack of Hearts'
body has turned purplish-black from direct exposure to Zero
Fluid. Jack of Hearts' left eye has an opaque white membrane
covering the entire pupil.
Strength Level: Unknown, presumably superhuman.
Known Superhuman Powers: Jack of Hearts possesses
the ability to project concussive energy from his body.
This energy, a by-product of the cellular mutation caused
by contact with the experimental Zero Fluid, is generated
in some as yet unknown way by the cells of Jack's body and
can be directed in controlled amounts by conscious thought.
Zero energy, as it has been called, is constantly being
generated by his body and is emitted in negligible quantities
whenever his cells reach their saturation point. Consciously
directing the flow of energy (usually through his hands),
Jack of Hearts can create a shock wave, the current maximum
force of which is unknown. The energy discharge is accompanied
by a pink colored light phenomenon.
Jack of Hearts can direct the blasts of his Zero energy
downward to generate sufficient thrust to allow him to fly,
much like a liquid-fuel rocket. Because of the fact that
he must keep his arms pointed beneath him during flight,
he cannot use his energy as an offensive weapon, unless
his opponent is directly in the path of his "exhaust."
Jack of Hearts was exposed to a Stark International supplied
Scanalyzer which was powered by a Symbiote-Energy Sump device,
that derived low-level energy from sources within his body.
A favorable mutagenic alteration allowed Jack of Hearts
encephalic patterns to be overlaid with the artificial intelligence
of the Scanalyzer. This enhanced Jack of Hearts' consciousness
enabling him to think at computer speeds, and retain and
retrieve information with computer logic plus the human
brain's large storage base.
Jack of Hearts' entire metabolism has been transformed
by the Zero Fluid's mutagenic effect on him. Not only does
he require less oxygen, but he is physically stronger and
more resistant to injury. Jack of Hearts can easily withstand
small-caliber firearms. Further, if he is injured, his rate
of healing is over twice that of an average, healthy human's.
Now that Jack of Hearts' powers have increased exponentially,
it is difficult to gauge what his current abilities and
overall power level is.
Weapons: Jack of Hearts wears a suit of tough, boron-whisker-impregnated,
steel alloy cloth, articulated body armor that covers all
of his body except his face and hands. This suit of armor
has somehow become absorbed by the mutagenic effects of
the Zero Fluid vapors and incorporated by Jack of Hearts'