Type: Micro-World Environment: Earthlike
Usual Means of Access: "Shrinking"
Dominant Lifeform: Humanoid
Prominent Inhabitants: Psycho-Man, Pearla

Comments: Sub-Atomica is not the Microverse of the Micronauts (though PsychoMan did visit the Microverse on one occasion). Sub-Atomica is a separate realm first visited by Doctor Doom, later by the Fantastic Four. In FANTASTIC FOUR ANNUAL #5, the Psycho-Man, a scientist from Sub-Atomica, visited Earth.

First Appearance: FANTASTIC FOUR # 16