Earth 4
AKA The Charlton Comics Universe
Key Characters(s): Blue Beetle, Captain Atom
Classification: Alternate Earth
Universe: Comic
First Appearance & Named: Superman Comics # 3
Destroyed: Superman in Action Comics #1136 AKA Crisis on Infinite Earths #10
On this Earth, the Charlton comic characters like the Blue Beetle and Captain Atom exist. After, the Earth V Adam Kelly and Dr. Geyser came to Earth DC it split into this Earth. In Crisis # 10/1136, Earth 4 was combined with four other Earths to become Earth DC.
