Batman / Superman: Volume 1 – Cross World by Greg Pak and Jae Lee
In the DC Universe, there are all sort of parallel Earths. On one such planet, Batman and Superman have not yet met. Superman cannot even fly. He simply leaps over tall buildings and great distances.
These two heroes are somehow transported to an Earth we are more familiar with . Their more experienced counterparts are there as well. So, in this graphic novel we have two Batman / Superman teams.
The story revolves around an alien, who set all of this up to test the heroes. She wanted to to see which heroes were the strongest and thus which Earth would be more able to survive an upcoming threat
There is some interesting bonus content in the hardcover edition of this collection, including penciled pages, the written script for those pages, creator notes, and alternative covers.
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