Warning! Spoilers for Action Comics #1037
The darkest battle that Superman has ever faced is beginning, and not everyone is going to make it out alive. As the Man of Steel takes on Mongul in Warworld, he realizes that he isn’t the same tyrant that he met before.
Throughout Future State, DC teased that Superman would eventually be taken in by Mongul and imprisoned as a slave. While Kal-El is on a mission in space, he is missing a pivotal point in his son Jon’s life as he becomes the new Superman.
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