The The Cage Of Doom wiki last edited by Rincewind2 on 01/26/14 04:19AM
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Cover by Curt Swan, inks Neal Adams
Superman has escaped the ring of Green Kryptonite dust circling Earth, but can he survive... The Cage of Doom?
Story by Otto Binder, art by Curt Swan/Jack Abel
Superboy has once again travelled to the 30th Century to meet with his friends the Legion of Super-Heroes, but can even their combined powers stop Urthlo?
Story by Jerry Siegel, art by John Forte/Al Plastino (Plastino page 4 & Superboy/Luthor heads) letters by Milton Snappin