Letters credit from Todd Klein via his Klein Letters blog (18 September 2016, http://kleinletters.com/Blog/ira-schnapp-in-worlds-finest-comics-part-1/).
Batman reveals ID to Jimmy.
Part 1 of story; continued in Green Arrow story "The Underwater Archers" in the next issue.
First letter column with title (suggested by Elaine C. Maier). Letters from David Johnson, Greg Nieman, Richard Leonetti, Tommy Maniscalco, and Ann Peek.