Search by Title
Filter by Timeframe
Hide Key facts, Own, Want and Buy options.
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
- Debut of Green Kryptonite
- *the first classic representation of Kryptonite
- *in Action Comics #141, Lex Luthor synthesizes Kryptonite that is green in appearance but ineffective
- 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.