While this San Diego Comic Con news could have been lost in the shuffle, the reference to Berganza does seem to give it a ring of immediacy (certainly sounds like a post-Brightest Day thing and part of a “five year plan” if there is such a thing). Post-Flashpoint Aquaman rebirth/event/whathaveyou?
Geoff Johns speaks at San Diego:
When asked about the Indigo Tribe and their connection to an aqua war, Johns said that eventually you may see an Aquaman-themed event, but he said that if he revealed anymore, Berganza would hit him.
Source: Our friends at CBR