Joker, dressed as Batman, begins a new reign of terror in Gotham. When the real Batman tries to stop him, Joker injects him with a poison that will cause him to laugh to death, unless he can come up with an antidote.
Joker dons the costume of his greatest rival, The Batman, and terrorizes all of Gotham. When the real Batman tries to stop him, Joker injects the Dark Knight with a poison that will cause him to laugh to death unless he can create an antidote.—Anonymous