Wonder Woman (vol. 1) #105 revealed that Diana was formed from clay by the Queen of the Amazons, given life and power by four of the Greek and Roman gods (otherwise known as the Olympian deities) as gifts, corresponding to her renowned epithet: "Beautiful as Aphrodite, wise as Athena, swifter than Hermes, and stronger than Hercules", making her the strongest of the Amazons. Wonder Woman's Amazon training gave her limited telepathy, profound scientific knowledge, and the ability to speak every language – even caveman and Martian languages.
Arriving at Chernobyl, Wonder Woman, Orion, Siracca and Hermes engaged Cassandra's forces to save Milan. Cassandra threatened to kill Milan if Wonder Woman did not reveal the First Born's location. Wonder Woman told her the First Born was in Olympus, but as she left, Cassandra strapped a bomb to Milan's chest. To contain the explosion, Orion took Milan through a boom tube. Returning home, Wonder Woman discovered Zola and Zeke had left, as Zola felt guilty that people were risking their lives to protect them.
The JLA's first trip to the universe is where Owlman is found hacking computer systems to get the info he needs. There, the JLA fights recruits the Crime Syndicate of America has recruited. Their second trip was when Batman followed Superwoman, and defeats her. After taking out Superwoman, he calls the JLA, and alongside the JLA travels to the moon, to get to the Crime Syndicate's headquarters. From there on, every JLA'er fights against their counterparts, and Wonder Woman manages to even win against her counterpart, Superwoman.