Stolen by Doomsday Man who was under control of Dr. Kronton in order to blackmail the USA, also has been stolen by Zarrko whilst being tested by the US Military and Thor.
- The cobalt bomb was a proposed type of nuclear weapon, specifically designed to render entire areas uninhabitable for years, and in large usage effectively destroy a planet.
- 6 Appearances of Cobalt Bomb
- Minor Appearances of Cobalt Bomb
- Media Cobalt Bomb was Mentioned in
- 1 Images featuring Cobalt Bomb
- Item Gallery: Cobalt Bomb
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