After the death of Superman, Wonder Woman became depressed and began to remember her origins differently, questioning aspects of her past such as whether she truly was mocked as a child and her relationship with Ares. In a fit of rage Diana crushed the helmet of War. Realizing that she shouldn't have been able to do that, she used the Lasso of Truth on herself and discovered that she had been deceived. Diana traveled to Olympus for answers, but found it abandoned. She also found herself unable to return to her home of Themyscira.
If you're looking for a certified God of War on a personal vendetta against a pantheon of gods, Wonder Woman has you covered. The current version of Diana hacking and slashing her way through the DC Universe, anyway. After unintentionally bringing a new collection of "Dark Gods" into the comic book universe, it falls to the daughter of Zeus to save Earth from their malice.
Hermes attacked Wonder Woman there, refusing to simply give up the child, but during their battle, War ripped the baby from Demeter's womb and disappeared. Unable to let a grave wound such as that go unattended, Diana saw to Demeter first, and the goddess warned that War could not be trusted. Worriedly, Diana and Orion returned to Manhattan to find that War had returned the baby to Zola. At last, the baby and his mother were reunited - and Orion would not have to look any further for the child he needed to kill.