WARNING: The following contains spoilers for Batman: Three Jokers #3, by Geoff Johns, Jason Fabok, Brad Anderson and Rob Leigh, on sale now.
If there's one hero that's suffered more than the rest of the Bat-Family during Batman: Three Jokers, it's Jason Todd. While the miniseries explored the pain and unresolved trauma of Batman, Batgirl and Red Hood, it's been clear from the outset that Jason's methodology for coping with his issues is not as sound as his counterparts.
This pain was deeply exacerbated over the course of the story, shaking Jason to his core, with the story ending with Jason making the major decision of offering to step away from his Red Hood persona or crime-fighting altogether for a relationship with Barbara.
The emotional tension between Jason and Bruce Wayne, which had been steadily building since Jason's death at the hands of the Joker during "A Death in the Family," finally came to a head in Three Jokers' final issue. Batman and Red Hood engaged in a shouting match over Jason's earlier decision to shoot the Clown Joker in the head in the opening issue, killing him on the spot, for revenge over Jason's torture at his hands. Jason bears the full extent of his long-simmering resentment towards Bruce, not that he couldn't save from the Joker so much as he didn't avenge his death and didn't reach out to save and make genuine amends with his one-time protege after his subsequent resurrection.
Jason had endured a lot ever since the investigation of the three Jokers began, with the Clown Joker revealing that Jason had begged for his own life and went as far as to offer becoming the supervillain's twisted Robin if he was spared. Deciding to strike out on his own, Jason was ambushed by the surviving Jokers and forced to relive his most traumatic memory as he was stripped down naked and beaten within an inch of his life by the Jokers. While Jason managed to survive this ordeal and was spared from being transformed into a Joker by the Criminal, the original Golden Age iteration of the supervillain after his potential antagonistic transformation was deemed a little too on the nose for the Jokers' taste.
Despite narrowly escaping death and an even more horrific fate, Jason was visibly disturbed by his close encounters with the Jokers and being forced to confront his own inner darkness and unresolved trauma. In the aftermath of the final showdown with the Jokers, resulting in the Criminal Joker's death, Jason pens a handwritten note and leaves it taped to Barbara Gordon's door as he leaves Gotham to find himself and prove to Barbara he can grow to be a better man. Barbara and Jason had grown close during the events of Three Jokers, only for her to gently rebuff his romantic advances while Jason's farewell note is unceremoniously swept away by a janitor before Barbara even had a chance to read it.
Jason's potential abandonment of the Red Hood persona and decision to leave Gotham City comes on the heels of him making a similar decision in the final issue of Red Hood: Outlaw, albeit under different circumstances. However, in both cases, the decision largely comes from an impetus from the former Robin to become a better man and move beyond the morally questionable legacy he had carved for himself. Jason has always had the most complicated, troubled past of any of the Boys Wonder and Three Jokers has put this under the spotlight forcing Jason to confront his demons -- both internal and external -- leading to make hard decisions about himself.