The Dark Knight Rises TDK Sequel Trailer What and When

[firstclassclown]

The release date for the TDK Sequel/Batman 3 is July 20, 2012.
When will be see the first trailer and what will that trailer reveal about the next Batman film?

 

[Dark Knight]

I would think we would see a teaser with the release of the Green Lantern film next summer and see some footage at SDCC 2011 hopefully.

 

[firstclassclown]

Filming for TDK was scheduled to begin in March '07 but was pushed to April '07.
The teaser trailer for TDK came out on July 27, 2007. http://www.youtube.com/watch?v=UWw0ov-cAUg

Could this help us to figure out when the Teaser/First Trailer for Batman 3 is released?

 

[thedarks0ldier]

I guess by that logic July 2011 is the release date for trailer.