The Supermantrailer may have just revealed exactly how Lex Luthor gets his hands on Kal-El's biggest weakness, spawning a theory about how he could take advantage of it. James Gunn's Superman movie is ...

Kryptonite, Superman’s ultimate weakness, is an iconic and essential part of his lore, made even more poignant by the fact that the one thing capable of bringing him to his knees is the radioactive ...