Wonder Woman doesn't have a Kryptonite!
From the pages of Justice League 20 (out the day of this post) Batman reveals his contingency plans for each member of the JL to Superman and reveals that Wonder Woman has no weakness! Read ON.
I double posted this here: http://www.comicvine.com/wonder-woman/4005-2048/forums/new-52-wonder-woman-respect-thread-672635/#450
So what does that statement mean? To me, it means that Wonder Woman has no weakness that Batman can exploit in one shot like he can with Superman utilizing Kryptonite. There is no one element or device or incantation that can stop her momentum in it's tracks. Nothing. She is Suprema and there is no force that Burce Wayne can conceive of other than pitting Superman's might against her own. And since she's more powerful than Superman, what can truly be done if she decides to take over the UNIVERSE!?!
I also wonder what one shot resolutions he has for the other members but that's a discussion for another forum.
I can't tell you how much it pleases me that the great mouse detective, who is the authority on everything and can be outdone by no one, can't come up with a single idea to subdue Wonder Woman should the need arise. At the same time this seems like a little bit of a disservice to Batman's ingenuity in this matter but is also a nice instance of him letting go and trusting a colleague and ally with important information.
It's also a little disheartening that the Justice League title is the only place where we continue to find Wonder Woman development and proof of her ability and character. God I wish we could get another Wonder Woman title.