Lex Luther and Batman (among others) both know and use Kryptonite against Superman. But what about the man on the street? Has the Wikipedia of the DC verse figured it out yet, or has it somehow been kept a secret?

This question pertains to the main canon Comic books (New 52) and Movie canon.

  • I reckon it changes from canon to canon, are you referring to one in particular? I know in one, he gave a press conference and told the world he was weak to Kryptonite, I think he wanted to sound as transparent as he could to everyone he was trying to protect.
    – Daft
    Feb 2, 2015 at 14:07
  • I suppose I'm interested in the current 'main' canon. So, movies and the new 52?
    – Fhnuzoag
    Feb 2, 2015 at 14:14
  • Maybe pop that into your question? Could help someone track down an answer for you.
    – Daft
    Feb 2, 2015 at 14:20
  • 4
    You “suppose” you’re interested in the current main canon? You need to pick your canon son! This isn’t make-believe fun-tim story-hour, this is comics! GO BIG OR GO HOME! Feb 2, 2015 at 14:35
  • Paul is right Fhnuzoag, people are VERY particular about canons around these parts...
    – Daft
    Feb 2, 2015 at 14:42

1 Answer 1


The government recently detonated a Kryptonite bomb (Action Comics 32) in the atmosphere so I'm pretty sure a few people are going to figure it out.

Kryptonite bomb in the atmosphere

In the news clip intro to Action Comics' 33 there's mention of it in what I assume to be a publicly available publication although it could be simply the author's "Last week on Superman".

Periodical about Kryptonite

Seems likely that

  • I know I'm extremely late here, but your answer appears to have been cut off partway through. "Seems likely that"... what?
    – F1Krazy
    Aug 3, 2020 at 15:53

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