Even worse , Professor Peterson tells Superboy his first duplication experiment became unstable and exploded , and the same thing will happen to Bizarro .
Meanwhile , Superboy determines that he must destroy Bizarro with kryptonite .
Even worse , Professor Peterson tells Superboy Superboy 's first duplication experiment became unstable and exploded , and the same thing will happen to Bizarro .
Meanwhile , Superboy determines that he must destroy Bizarro with kryptonite .