comic
Summary:
After being granted Full control of the 5th Dimension as "President", Mister Mxyzptlk Is Challenged By an Ompotent Being Named "A" to a Game of Checkers, and Since he tries to Blow him to pieces using his Reality Warping Powers; Mxy is disquallified. He Is then Forced to pick a Champion to Play against the Mighty "A" in his place... And Since Superman doubts Mxy's plea and doesn't help him, He inadvertanty choses Bizarro... And Since he realizes He's as dumb as a post, Mxypztlk trains him to become a Super-hero with the Help of Comic Books.
