As a result , the Earth 2 concept introduced in this book no longer exists and the term Earth 2 has a different meaning in the current continuity .
DC Comics later revived the concept of multiverse in Infinite Crisis and 52 .
The Earth 2 concept introduced in this book no longer exists and the term Earth 2 has a different meaning in the current continuity .
DC Comics later revived the concept of multiverse in Infinite Crisis and 52 .