Meanwhile , Superboy determines that he must destroy Bizarro with kryptonite .
Bizarro wreaks havoc at a shopping mall and eventually takes Clark 's place at the Shuster costume party under the name Kent Clark .
Superboy determines that he must destroy Bizarro with kryptonite .
Bizarro wreaks havoc at a shopping mall and eventually takes Clark 's place at the Shuster costume party under the name Kent Clark .