Bruce Wayne, who witnessed the murder of his billionaire parents as a child, swore to avenge their deaths. He trained extensively to achieve mental and physical perfection, mastering martial arts, detective skills, and criminal psychology. Costumed as a bat to prey on the fears of criminals, and utilizing a high-tech arsenal, he became the legendary Batman.
The launch of DC Rebirth intends to reestablish the universe as it was prior to the events of Flashpoint while incorporating elements from the New 52. In the aftermath of the Darkseid War, Batman discovers from the Mobius Chair that there are three different Jokers.