Re: Stuff you like to believe happened in Nolan's series
I like to think that Joker was taken into federal custody after TDK. It makes more sense than him being the only patient in Arkham. I like to think Gotham is a level of Limbo and all the characters are facets of Cobb's personality at different stages in his life.
"Payment of our deeds, all soon to be
We were never what people could be.
We were only what we were.