Action Comics #275

In "The Menace of Red-Green Kryptonite!" from Action Comics #275, Brainiac sets his sights on Earth not just for a rare metal, but to unleash a dangerous new ray combining Red and Green Kryptonite—leaving Superman acting strangely, compelled to wear a hat while saving the day. The story unfolds with classic 1961 superhero flair, blending alien threats and Superman’s unique vulnerability in a tale that’s equal parts clever and suspenseful.

In this nostalgic 1961 tale from *Action Comics* #275, Supergirl imagines an alternate origin where she arrives on Earth first—sent in a rocket as a baby and lovingly adopted by Ma and Pa Kent. The story explores what might have been, weaving a tender what-if around the Kents' role in raising Earth's first Kryptonian hero.