Fan Casting The Fantastic Four

During an experimental flight into space, Reed Richards, his best friend, and his wife Sue Storm, along with his brother Johnny, are exposed to cosmic radiation, gaining superhuman abilities. Initially wanting to get rid of these powers, after saving a crowd from a monster that came from the ground, they decide to use their abilities for the good of humanity, becoming the team of superheroes called The Fantastic Four. Meanwhile, former geologist Harvey Elder studies the underground kingdom, the creatures of this kingdom find Reed's spaceship and bring it to the underground kingdom. Harvey finds him and is affected by a trace of the ship's cosmic radiation, becoming disfigured and psychologically altered but upon being exposed, Harvey gains the power to control the kingdom and geokinesis, becoming the Mole Man.