 Later he was freed by aliens called the Comet Men who hoped to employ his power in the conquest of Earth, though they told him he would rule Earth, and told him to destroy Fawcett City to show his power.But they fell to fighting among themselves when Mr Atom realized they planned to destroy him and they were all apparently destroyed in a giant explosion.However, the blast had actually thrown Mr. Atom forward in time, to 2053, a world where almost everything was run by atomic power, which Mr Atom found out from an inhabitant, and he decided it would be the perfect conquest for him.