 Grandpa Jacob slips into a coma after being thrown into the lake by Nazi, and Freddy is found to have a severely injured spine and a broken leg, which will prevent him from ever walking again.After a second attack from Captain Nazi, the injured Freddy is taken to the wizard Shazam by Captain Marvel and his sister Mary Marvel, who both grant the boy the power to become Captain Marvel Jr.However, Jacob dies, and Captain Marvel Jr. goes on a rampage against Captain Nazi until the other Marvels intervene.