Beyond the classic green rock that can drain Superman's powers, DC Comics has featured dozens of Kryptonite colors over the ...

So, when he breaks her chains and frees her, Clock King attempts to kill him with Bizarro's deadliest weakness: a Blue Kryptonite bullet. Bizarro's response to this move is absolutely perfect ...

A form of kryptonite that has changed a lot over the years, blue kryptonite in the comics was originally the way to harm ...