Joker: One Operation Joker Vol. 2

[The Joker is about to realize that raising kids is no joke!] After falling into the same vat of chemicals that turned the Joker into his evil self, Batman is transformed into a baby and Joker finds himself lost without his arch-nemesis. The Joker takes it upon himself to raise baby Bruce Wayne…but learns that fatherhood is a lot more difficult than he initially thought.