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Adventure Comics #422
Aliens unleash an indestructible robot on the city.
Cover Date
August 1, 1972
On Sale Date
June 29, 1972
Pages
36
Cover Price
$0.20
Rating
Approved by the Comics Code Authority
Editor
Joe Orlando
Credits
Penciller
Inker
Letterer
Characters
Supergirl; Geoff Anderson; Nasthalthia Luthor; Professor Zlotsky; Professor Axel
superhero