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Real Name
Karla Sofen
Current Alias

Dark Ms. Marvel, Dr. Karla Sofen




unnamed maternal grandparents (possibly deceased);

Marion Sofen (mother, deceased);

Karl Sofen (father, deceased);







Marital Status

Adventurer, Prisoner; Former psychiatrist


Dr. Karla Sofen was a renowned psychiatrist, with a nasty craving for power and control. When asked to cure Byron Becton, the original Moonstone, she instead used hallucinogens to persuade him to give her his moonstone.

Place of Birth


First appearance


Karla Sofen was once a respected psychiatrist who trained under the tutelage of the criminal Doctor Faustus. She even assisted Doctor Faustus in his grandiose attempt to take control of Manhattan Island. Faustus' plans never came to fruition however, due to the efforts of Captain America. As Cap rounded up Faustus' men, Sofen hid herself inside the baggage compartment of the doctor’s private 747, thus evading capture.

She later used her psychiatric credentials to gain access to the prison cell of Byron Becton – the original Moonstone. Using hypnosis, she convinced Becton that he was in fact a hideous, loathsome monster. The psychological trauma was so severe that it caused his body to reject the moonstone within him.

Energized by the emotional rush, Karla was able to absorb the essence of the moonstone through a sheer act of will. The intensity of the transfer was so great that it even granted Karla the ability to absorb Becton's Moonstone armor into her own bodily tissue. With Becton now powerless, Karla Sofen became the new Moonstone.

A short time later, Moonstone decided to hire herself out to the subversive organization known as the Corporation. The Corporation sent Moonstone on a mission to Gamma Base in New Mexico to purloin a top-secret piece of military hardware known as a Gammavator. This incident brought her into conflict with the gamma-spawned monster, the Incredible Hulk. At first, Moonstone was able to provoke the Hulk into a savage frenzy thereby earning her the sympathy of psychiatric colleague Doc Samson, but before long, the Hulk overpowered Moonstone, exposing her identity of Dr. Karla Sofen.

Powers and Abilities


Karla's powers are the result of her fusion with a gravity stone designed by the alien Kree. After being absorbed into her body, the stone took on the form of energy that permeates her nervous system. Karla once acquired a second gravity stone, increasing her powers to new limits. However, she currently only possesses one stone and her abilities have reverted to their old levels. If the stone is removed from her body, Karla will die in 72 hours without its support.

  • Superhuman Strength: Karla possesses superhuman strength sufficient enough to lift around 10 tons.
  • Superhuman Speed: Karla is capable of running and moving at speeds that are beyond the natural physical limits of the finest human athlete.
  • Superhuman Stamina: Karla's musculature produces considerably less fatigue toxins during physical activity than the musculature of an ordinary human. She can physically exert herself at peak capacity for about 24 hours before fatigue begins to impair her.
  • Superhuman Durability: Karla's bodily tissues are tougher and more resistant to certain forms of physical injury than those of a normal human. She is able to withstand great impact forces, such as being repeatedly struck with superhuman force, powerful energy blasts or falls from great heights, that would severely injure or kill an ordinary human though she would suffer little to no injury herself. However, she is as vulnerable to conventional ballistic and bladed weaponry as any ordinary human.
  • Superhuman Agility: Karla's agility, balance, and bodily coordination are enhanced to levels that are beyond the natural physical limits of even the finest human athlete.
  • Superhuman Reflexes: Her reflexes are heightened in a similar manner and are superior to those of the finest human athlete.
  • Flight: Karla could also allow the Earth's gravitational pull to propel her through the air at high speeds. To the casual viewer this would make her appear to disappear or teleport.
  • Minor Molecular Control: She can instantaneously change into/alter her costume.
  • Intangibility: She can make herself and other persons intangible by reducing her or the person's body's specific gravity.
  • Light Generation: Karla can generate a blinding luminescence.
  • Photon Blasts: She can fire powerful blast of concentrated photons from her hands.


Expert Psychologist: Sofen is a trained psychiatrist.

Expert Hypnotist: She is particularly skilled in using hypnosis. Like her predecessor, Doctor Faustus, Moonstone has perfect pitch and modulation in her voice, and was even able to use these talents to cause General Thaddeus "Thunderbolt" Ross to suffer a complete nervous breakdown.

Strength level

Class 10. Karla can lift around 10 tons.


None known.


Equipment: None known.
Transportation: None known.
Weapons: None known.


  • No special notes.


  • Karla has an allergy to peanuts

See Also

Discover and Discuss

Links and References

  • None.


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