TServo2049 said:
I decided I'd actually try to comb the Internet to see if there is any footage still lurking on YouTube from camrips or screeners or anything prior to the official home release that would have been taken off of a 35mm source. And miraculously, there are still summer/fall 2008 postings of clips from the WB screener disc that survive on YT.
Here's what I've found so far; I will add more as I find them.
Joker and Two-Face in the hospital
Longer version of the hospital scene
Joker gets his phone call (I think this one's actually from a camrip)
The ending (Contrast with this clip, which also predates the official release date of the DVD, but looks to be from a leaked copy of it? No "Property of Warner Bros.", the frames don't smear, and the colors look different.)
Legend.