Superboy and Captain Marvel ride the rickety roller coaster (literally!) through the many-hued amusement park of motley meteoroids that is the Kryptonite Spectrum!
With Superman now a bit… shorter in the tooth… the Boy of Yesterday must team up with a truly Marvelous friend in a story for the ages… for all ages!
What, exactly, is Nostalgia Springs? And what do Toyman and Sivana have to do with it? Find out in this great adventure — chock-full of crayons, Kryptonites , and a cruise through comics chronology!
Superman: The Kryptonite Spectrum #3
Writer: W. Maxwell Prince
Artist: Martín Morazzo
Release Date: October 8, 2025
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