When the new core JLA was announced on May 31, DC said the full line-up would expand. This morning a portrait designed for a SDCC exclusive glass revealed a line-up that looks like a new JLA although there are 15 members, one more than the announced 14. It’s important to note that this line-up has not been confirmed although the line-up includes two members that I had been told would be on the final team, Firestorm and Mera. Of course, my source could be wrong.
Here are the characters identified. The one character not fully identified is the blonde woman on the right. Black Canary makes sense as she has been part of previous JLA line-ups but she looks different than her appearance on the cover of the DCnU Birds of Prey.

minority and we all went “LOL DIVERSITY” and some people said “Well, hang on, this isn’t
New Justice League
Not sure about this one …
Green Arrow is mislabeled as Green Lantern >3>