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Some of the more interestings forms of the element that has varying effects on Kryptonians 🔓 Subscribe For $1.99 and Unlock ALL of Key Collector Comics 🎁 Utilize the eBay links provided and support the continued development of Key Collector Comics

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16 Results
Low $170
Mid $500
High $1.8k
  • Introduction of Kryptonite, an element that weakens Superman
  • First appears as a red gemstone in the turban of an enemy
  • Origin of Superman retold
  • Introduction of Kryptonite, an element that weakens Superman
  • First appears as a red gemstone in the turban of an enemy
  • Origin of Superman retold
Low $80
Mid $240
High $1.2k
  • Debut of Green Kryptonite - in Action Comics #141, Lex Luthor synthesizes Kryptonite that is green but has no effect on Superman
  • Debut of Green Kryptonite - in Action Comics #141, Lex Luthor synthesizes Kryptonite that is green but has no effect on Superman
Low $12
Mid $45
High $130
  • Debut of Red Kryptonite
  • Causes temporary mutations and strange behavior
  • Debut of Red Kryptonite
  • Causes temporary mutations and strange behavior
Low $25
Mid $90
High $360
  • Debut of Blue Kryptonite, provides Bizarro with immense power to the point of combustion
  • 1st team appearance of the Bizarro Family
  • 1st appearance of Bizarro Supergirl
  • Origin of Bizarro Jr.
  • Debut of Blue Kryptonite, provides Bizarro with immense power to the point of combustion
  • 1st team appearance of the Bizarro Family
  • 1st appearance of Bizarro Supergirl
  • Origin of Bizarro Jr.
Low $12
Mid $40
High $130
  • Debut of White Kryptonite
  • Destroys vegetation
  • Debut of White Kryptonite
  • Destroys vegetation
Low $12
Mid $40
High $130
  • Debut of Red/Green Kryptonite
  • Causes mutations, an extra eye on the back of Superman's head in this issue
  • Debut of Red/Green Kryptonite
  • Causes mutations, an extra eye on the back of Superman's head in this issue
Low $9
Mid $25
High $125
  • Debut of Gold Kryptonite
  • Permanently strips Kryptonians of their powers
  • Debut of Gold Kryptonite
  • Permanently strips Kryptonians of their powers
Low $5
Mid $15
High $55
  • Debut of Silver Kryptonite
  • No effect, fake Kryptonite
  • Silver Kryptonite later appears in Superman/Batman #46 with THC/hallucinogenic effects
  • Debut of Silver Kryptonite
  • No effect, fake Kryptonite
  • Silver Kryptonite later appears in Superman/Batman #46 with THC/hallucinogenic effects
Low $4
Mid $12
High $40
  • Debut of Jewel Kryptonite
  • Enhances the mental abilities of criminals trapped inside the Phantom Zone to affect events throughout the universe
  • Debut of Jewel Kryptonite
  • Enhances the mental abilities of criminals trapped inside the Phantom Zone to affect events throughout the universe
Low $3
Mid $9
High $30
  • Debut of Red/Gold Kryptonite, causes temporary amnesia
  • Debut of Red/Gold Kryptonite, causes temporary amnesia
Low $1
Mid $2
High $3
  • Debut of Pink Kryptonite
  • Has a feminizing affect on Kryptonians as demonstrated by Superman in this issue
  • Debut of Pink Kryptonite
  • Has a feminizing affect on Kryptonians as demonstrated by Superman in this issue
Low $1
Mid $2
High $3
  • Debut of Black Kryptonite
  • Splits Kryptonians into two separate beings, one good and one evil
  • Debut of Black Kryptonite
  • Splits Kryptonians into two separate beings, one good and one evil
Low $1
Mid $2
High $4
  • Debut of Orange Kryptonite, gives temporary super-powers to animals who come into contact with it
  • Debut of Orange Kryptonite, gives temporary super-powers to animals who come into contact with it
Low $1
Mid $2
High $4
  • Debut of Silver Kryptonite, an element that makes Superman lethargic, hungry and hallucinogenic
  • Debut of Silver Kryptonite, an element that makes Superman lethargic, hungry and hallucinogenic
Low $1
Mid $2
High $5
  • Debut of Platinum Kryptonite
  • Gives a human the power of a Kryptonian
  • Debut of Platinum Kryptonite
  • Gives a human the power of a Kryptonian
Low $1
Mid $2
High $4
  • Introduction of a synthesized Kryptonite that provides a temporary disguise
  • Superman appears to be an African-American man who goes by the name 'Chaz'
  • Introduction of a synthesized Kryptonite that provides a temporary disguise
  • Superman appears to be an African-American man who goes by the name 'Chaz'