Dennis O'Neil, who wrote the first issue of the series, recounted that "I stopped by Julie [Schwartz, Batman editor]'s office, and he said, 'We're going to do a Joker book'.

[1] Following The Joker War and Dark Nights: Death Metal, James Tynion IV teamed up with Gulliem March to produce a new series, also titled The Joker, that debuted on March 2, 2021.

[3] On October of the same year a new series titled The Joker: The Man Who Stopped Laughing debuted, this time written by Matthew Rosenberg with art by Carmine Di Giandomenico.

1976) mentions that Martin Pasko was writing a Joker vs. the Justice League of America story titled "99 and 99/100% Dead!"

to appear in The Joker #10 as the first part of a two- or three-issue story arc, which was never published despite being listed as "on sale right now" on the Daily Planet promotional page for August 16, 1976.