Emperor Joker had him killed on panel dozens of times, Whatever Happened to the Caped Crusader? had him killed on panel a dozen or more times, he died in the supplemental material of Killing Joke, he died in DKR technically, Earth 2 Batman died almost immediately, Red Son has him die, he (Appeared to have) died maybe a dozen times in "Where were you the night Batman died?", he appeared to have died in RIP, he died (Sorta) in Flashpoint as young Bruce and also Thomas Wayne was erased.

Some are kinda iffy, but he's definitely died on panel a LOT.