The connection between Superman and Kryptonite is so firmly established in American culture that “Kryptonite” has become ...

While Supermans only weakness, Green Kryptonite, may be the most famous, it is far from the only version of the radioactive crystal.

Black Kryptonite is one of the deadliest forms of Kryptonite in existence, and now it's back and worse than ever.

Kryptonite officially debuted in Superman #69 in 1949, but it wasn’t green back then. The deadly hue came years later when Superman was sabotaged aboard a ship lined with lead walls.

But there's a whole spectrum of different colors of Kryptonite each with their own effects on Superman's physiology, and now W. Maxwell Prince, Martín Morazzo, and Chris O'Halloran, the creators ...

The latest Justice League Action short is called True Colors and it has fun with both Firestorm and the many color of Krytonite. The 2 minute story has Superman in a fight with Metallo when the ...