Adventures of Superman #529

A prison uprising leads to the escape of several inmates—including Superman, who is chained to the fugitives. Meanwhile, Superboy, Steel, Supergirl and Alpha Centurion prepare to leave Earth in search of Superman. Continued in Action Comics #716.

Characters: Alpha Centurion, Cat Grant, Jimmy Olsen, Lois Lane, Matrix (Mae), Steel (John Henry Irons), Superboy (Kon-El), Superman