BAT-HISTORY, JUNE 1952: Despite sharing the pages of World&#x27;s Finest Comics and teaming up several times for the Superman radio program, DC&#x27;s two greatest heroes never truly worked together in print form until Superman #76. While enjoying a cruise as their alter egos, they end up sharing a cabin and each discovers the other&#x27;s secret identity when they suit up to save Lois Lane from a fire. Despite some friendly initial competition for her affections, the two heroes quickly become fast…