How the Joker could have been in Dark Knight Rises.

So we all know what happened to the late Heath Ledger, and we all saw the Dark Knight with his awesome performance in it. One thing that did come to mind and I went around the web looking this up, is what Nolan's thoughts were on how there was no mention or talk about how all the inmates escaped, but the Joker did not. I understand Nolan was being respectful, and didn't want to be disrespectful to Heath, so he just left it out. Well I stumbled across this website, where Sam Saxton, has a cartoon drawing of what happened to the Joker, with some dark lighting, and some CGI, and laugh tracks, we could have had this 30 seconds: