Action Figure Insider and Matty Collector have posted a Q&A session with Mattel and their upcoming lines. I've pulled out the Batman related ones for your convenience.

Q5) As a BIG Batman fan, and an even bigger JLU fan, I have to ask if we will see more and more Batman related figures in JLU style? Figures like Robin (current and classic),Two-Face, Nightwing, Batgirl, Batwoman, Riddler, Mr. Freeze, Penguin, Catwoman, Poison Ivy, Clayface, Commish Gordon, and the other great Batman characters would all be great!

A5) Yes. We do have plans for more Bat characters in JLU!

Q7) The Brave and the Bold figures are starting to hit and they look great. When can we expect a Batmobile to go with them?

A7) We have a great transforming Batmobile in the works which will be out in the fall.

Q8) What is the status of the DCIH Gotham 6 pack? I understand that it may not be around my area. I cannot find it on e-bay(only 1 partial pack sold as individuals), it is no longer listed on TRU.com. Has it been cancelled or delayed in distribution, ect?

A8) The Gotham pack was produced and shipped to TRU per there orders. Hopefully your local store will get more in stock soon!

Nothing concrete I know, but it's nice to hear.

(Source - AFI.com)