Browse 1 Edition of Showcase Presents: DC Comics Presents: Superman Team-Ups, Vol. 1 by Len Wein and Paul Levitz and Cary Bates and Bob Joy and Martin Pasko and Steve Englehart and Dennis O'Neil and Gerry Conway and Mike W. Barr and Marv Wolfman and Jim Starlin and Jack C. Harris and David Michelinie