It is seriously about time. WB has been releasing so many Batman/Superman animated movies. I'm glad they finally get to meet on the big screen =P
BTW I loved this one:
http://en.wikipedia.org/wiki/Batman:_The_Dark_Knight_Returns_(film)
Lol I've been dying for my vip access so I can let you know I have a video on this topic too! If you like batman or superman or just movies in general, I advise you check it out! You'll like it