Superman # 76 - The Mightiest Team on Earth!

1. The Mightiest Team In the World (Superman, Batman, Robin, Lois Lane, Commissioner Gordon : This story is the first Superman/Batman team-up in comics, and in this story, they learn each other's secret identities / written by Edmond Hamilton ) -- 2. The Misfit Manhunter (Superman / written by Bill Finger) -- 3. The Gatling Gun (full text story by Ben Galloway) -- 4. Mrs. Superman (Superman / written by Bill Woolfolk)

"Double-Feature! Batman, the world's greatest detective, joins forces with the Man of Steel to become ... 'The Mightiest Team on Earth!"

Superman: Lois in danger! This is a job for Superman!

Batman: No, this is a job for Batman!