Here's what we currently know about Christopher Nolan's between-Batmans project, Inception:

  • It is not, as initially asserted by a commenter, concerning "a war for the colonization of Venus."

  • It is more likely along the lines of a sci-fi action film "set within the architecture of the mind" (which, coming from the brains behind The Dark Knight, The Prestige, and Memento, is a scary-thrilling thought).

  • Currently on board are Leonardo DiCaprio (as some sort of CEO), Marion Cotillard, Ellen Page, Cillian Murphy, and Michael Caine...
...and, according to THR, rounding out the ensemble (for now) are Ken "Batman Begins" Watanabe as a blackmailing villain and Tom "apparently awesome in Bronson" Hardy as a colleague of DiCaprio's.

Sorry to be Avatar-level vague, but with a cast like this and a crew like that, there's little left to do but twiddle our thumbs and hope for the best between now and next summer. Either that, or Nolan just recast most of the third Batman film and doesn't want Christian Bale to know...