Psycho-Man builds human-sized armor and emotion-manipulating technology to invade Earth, only to be thwarted by the Fantastic Four, the Inhumans, and Black Panther.
[5] In the title Micronauts the diminutive heroes are joined by the entire Fantastic Four and battle Psycho-Man, who at this time claims to be in forced exile.
Mister Fantastic frees his wife from the conditioning and they pursue Psycho-Man to the Microverse, where the villain is forced to experience a number of negative emotions simultaneously by the Invisible Girl after she turned his own equipment against him.
[8] Reduced to a minuscule size after an accidental exposure to Ant-Man's shrinking gas, Spider-Man finds himself in the Microverse face-to-face with Psycho-Man.
She engineered a series of events that led to Johnny Storm impregnating a woman, in hopes of using the child's genetics to create a cosmic energy-powered army.
Psycho-Man brings forth an alternate version of the Fantastic Four (consisting of Spider-Man, Wolverine, Gray Hulk, and Ghost Rider) from another dimension and brainwashes them into fighting the Fearsome Four.
[17] Psycho-Man later works with the Quiet Man to attack the Fantastic Four, but is defeated when Valeria Richards hacks his equipment and makes his forces withdraw.