InAdventure Comics # 279Otto Binder and Curt Swann ,   Superboy find himself in the 50th century , a sentence threatened by promptly - spreading foreign vegetation originating from a crashed exotic ship . Superman   remember a mysterious yet familiar mineral he go out on display and adopt it , act on a intuition that give off . The mineral is really " livid kryptonite",something not lethal to humans or Kryptoniansbut deadly to plants , kill the otherworldly botany and saving the future . It would be later seen inactivity Comics # 365when Superman attempts to launch his disease - drive body into the hottest sun in the universe . When his condition haphazardly heals , he   owes this recovery to   citizens of Bizarro World who threw fragments of red and whitened kryptonite at his ship , unknowingly   destroying the works - like bacteria that was killing him . It was finally witness inSuperman Family # 189where Superman used lily-white kryptonite to heal the people of Sunworld III from a rearing infinite computer virus that he accidentally brought to their world .

Writer Grant Morrison has shown an appreciation for Superman ’s history and mythology and that continues in this series which has beenlittered with originative Easter Eggsand nods to famous Superman stories . In battle this villain who   was his first superhuman antagonist , he push   an unstoppable , ostensibly immortal zombi . But consideringGrundy ’s connectedness to plants , Superman somehow had enough sentence to put together a lying in wait where he had one of his ally use a weapon that would literally be like greenish kryptonite to this foe . Lois had patently been spending fourth dimension in Kandor doing enquiry which not only make her Earth ’s expert on Kryptonians but also allow her to see about white kryptonite , what it does , and how to reintroduce it to the DC macrocosm again .

With the Ultra - Humanite soften , this allows Superman to step in and decollate him , allowing Grundy to restore by nature while scanning the villain ’s brain to see how this was all possible . While this set upSuperman ’s next confrontation with Brainiac , the reemergence ofwhite kryptonitewas a cunning nod to theMan of Steel ’s story but also a monitor that kryptonite is not solely dangerous to just him but can be a terror to others as well .

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