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When We First Met – The Evolution of Green and Red Kryptonite!

by  in Comic News Comment
When We First Met – The Evolution of Green and Red Kryptonite!

Every week we spotlight the various characters, phrases, objects or events that eventually became notable parts of comic book lore. Not major stuff like “the first appearance of Superman,” but rather, “the first time someone said, ‘Avengers Assemble!'” or “the first appearance of Batman’s giant penny” or “the first appearance of Alfred Pennyworth” or “the first time Spider-Man’s face was shown half-Spidey/half-Peter.” Stuff like that. Here is an archive of all the When We First Met features so far! Check ’em out!

Today, based on a suggestion by Omar Karindu, we look at the history of Green and Red Kryptonite and how long it took before they resembled their classic forms!


Kryptonite was first introduced on the Superman radio show in 1943. It first made its comic book appearance in 1949’s Superman #61. But you might notice something peculiar about its first appearance…

Yep, it is not green (NOTE: The kryptonite is the swami’s gem)!

A few months later, Lex Luthor made synthetic kryptonite in Action Comics #141, and it ALSO wasn’t green!

The following issue, Action Comics #142, we finally see the synthetic kryptonite as green…

If you want to count this as the first appearance of green kryptonite, feel free. If you wish to wait until we see natural kryptonite be green before you’re willing to say that it is the first appearance of green kryptonite, read on!

In mid-1950, in Superman #66, Superman feels the effects of kryptonite, but once again, it is not green (well, we don’t see the color of it period)…

This continues into 1951 with World’s Finest #50 not even showing the color of kryptonite as it affects Superman….

Later in 1951, in Action Comics #158, it is explicitly NOT green….

A little while later, in Superman #71, it is once again not seen period…

Finally, later in 1951 in Action Comics #161, we see the first real green kryptonite…

That was quite a journey!

Go to the next page to see the evolution of Red Kryptonite!

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