DC Released September 1988

Superman #21 (1988) First Print

Superman #21 is an issue of the Superman series from DC, released September 1, 1988. Written by John Byrne with artwork by John Byrne. This page represents the regular first-print edition. Separate pages are available for the 3 incentive, retailer-exclusive and later-printing variant covers.

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Published September 1988
Cover Price $0.75
Pages 32

"The Supergirl Saga" part 1! Who is this new Supergirl? Where did she come from? What is the secret of her powers? And what does Lex Luthor have to do with all this? Continued in ADVENTURES OF SUPERMAN #444.