Depending on the continuity, Red Kryptonite is more of an artificial ... slowly killing Bizarro much like Green Kryptonite does to Superman. More recently, Blue Kryptonite has been linked to ...

DC’s newest version of Superman has placed a greater focus on Krypton than ever before, and the co-creator of Absolute ...

First appearing in 1949’s Superman #61, this variant was created when regular Kryptonite passed through a mysterious red cloud in space, fundamentally altering its radiation signature.

2025 is shaping up to be a banner year for the Man of Steel as director James Gunn's tentpole "Superman" feature film is streaking towards lucky cinemas this summer faster than a speeding bullet.

But before we see strapping actor David Corenswet don the iconic red-and-blue costume as the latest Hollywood incarnation of the Last Son of Krypton, DC Comics will deliver a brand new "Superman ...