His greatest enemy is Lex Luthor. A Green Kryptonite meteor crashed to Earth and spread the mineral around the planet, removing Superman's invulnerability but none of his other powers. He is forced to wear Cyber-Link Armor to compensate, which gives him invulnerability and allows him to interface with nearby technology.
- 1 Appearances of Kal-El (Doom Link)
- 4 Images featuring Kal-El (Doom Link)
- 1 Quotations by or about Kal-El (Doom Link)
- Character Gallery: Kal-El (Doom Link)
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