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In page Batman:

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The timeline was reset again during Rebirth, although no significant changes were made to the Batman mythos.[citation needed] Batman meets two new superheroes operating in Gotham named Gotham and Gotham Girl. Psycho-Pirate gets into Gotham's head and turns against Batman, and is finally defeated when he is killed. This event is very traumatic for Gotham Girl and she begins to lose her sanity.[1]