Joker is no more dead then he ever has been. If you read a lot of comics, especially Batman ones, you can see him coming back a dozen different ways.
Dark Knight Returns spoilers: SPOILER WARNING: Click here to reveal hidden content.
I know it's almost 30 years old now but if somebody ruined this for me the first time I read it, I would have been pissed.The only Joker death I'll acknowledge is the one in DKR where he finishes snapping his own neck to prove a point and laughing the entire time.
Why can't I see your spoiler?