Published
November 1991
Cover Price
$1.00
Pages
36
Part 1 of the 5-part 'Blackout' storyline in all the Superman titles, continued in Action Comics (1938 DC) #671. The mysterious Mr. Z returns to Metropolis and, with the help of Professor Hamilton, succeeds in entering the darkest corners of Superman's mind. Unfortunately, a mishap leaves Z and Superman suffering from amnesia.
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