Cat Facts: Not content with conventional timelines, DC Comics introduced the One Year Later story to explore the universe shattering events of Infinite Crisis. If you now what that is, good for you. If not, all you need to know is this time travelling jaunt saw Catwoman give birth to her very first kitten; Wayne’s daughter Helena.

Nolan's Version: We’re unlikely to hear the pitter-patter of tiny paws and the flipper-flappery of wee wings in TDKR. But it will be nice to see Miss Hathaway and Mr Bale’s onscreen chemistry smoulder so intensely that we’re left wondering what goes on in the dark corners of the Batcave.