Shazam! #15

In a bizarre crossover from 1974, Lex Luthor’s ill-fated magic accumulator sends him crashing into Captain Marvel’s world, where he reluctantly allies with Mr. Mind. Together, they plot to destroy Captain Marvel by trapping Billy Batson in a water tank with a hammerhead shark—leaving Jo and the Shazam family to face the unexpected threat.

In "Mr. Tawny's Bouncing Shoes," the inventor of a revolutionary new footwear takes the world by storm—only to find his creation spiraling out of control as the shoes grow increasingly elastic with age, sending everyone who wears them into uncontrollable bounces.

In "The Man in the Paper Armor!", Rip-Off Riggs steals Professor Edgewise's revolutionary formula that hardens newspaper into a super-strong material, turning the streets of Fawcett City into a battleground of paper-thin deception and real danger. Only Captain Marvel Jr. can stop the criminal rampage—before the city itself becomes a weapon in the wrong hands.