We found 4 Reddit comments about Batman: Going Sane. Here are the top ones, ranked by their Reddit score.
There actually is a story about that. Except, rather than putting on the cowl, Joker tries to settle down and live a normal life. You can imagine how well that works out.
There's a comic about that. http://www.amazon.com/gp/aw/d/1401218210/ref=mp_s_a_1_sc_1?qid=1369490074&sr=8-1-spell&pi=SL75
That and there is other textual evidence that he would at least try to give up being joker after killing batman. Going Sane http://www.amazon.com/Batman-Going-Sane-J-M-Dematteis/dp/1401218210 Though that story doesn't really touch on whether he meant to kill Batman or if it was a fluke.
http://www.amazon.com/Batman-Going-Sane-J-M-Dematteis/dp/1401218210/ref=sr_1_1?ie=UTF8&qid=1395283261&sr=8-1&keywords=batman+going+sane
There actually is a story about that. Except, rather than putting on the cowl, Joker tries to settle down and live a normal life.
You can imagine how well that works out.
There's a comic about that.
http://www.amazon.com/gp/aw/d/1401218210/ref=mp_s_a_1_sc_1?qid=1369490074&sr=8-1-spell&pi=SL75
That and there is other textual evidence that he would at least try to give up being joker after killing batman. Going Sane http://www.amazon.com/Batman-Going-Sane-J-M-Dematteis/dp/1401218210
Though that story doesn't really touch on whether he meant to kill Batman or if it was a fluke.
http://www.amazon.com/Batman-Going-Sane-J-M-Dematteis/dp/1401218210/ref=sr_1_1?ie=UTF8&qid=1395283261&sr=8-1&keywords=batman+going+sane