Superman #21 Newsstand
This page covers the Newsstand edition of Superman #21, published by DC and released September 1, 1988. The issue is written by John Byrne with artwork by John Costanza. Values and details shown here apply specifically to this edition; first-print pricing and the complete cover gallery are on the main issue page.
"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.
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