Captain Marvel Jr. 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. Nazi and Captain Marvel Jr. would become arch-enemies, regularly pitted against one another. Junior
Adventures of Captain Marvel Tom Tyler did not sufficiently resemble the "beefy, baby-faced Captain Marvel". At the time, Tyler was a weightlifting champion and the serial costume matched Captain Marvel's original comic book appearance, right down to his being slender. By the time of the serial's release, the appearance of Captain Marvel had changed due to Fawcett comics artist C. C. Beck having taken over drawing the character. Tyler was described as clumsy, knocking over props with his "lanky arms". Punches in fight scenes would sometimes connect. Due to his convincing performance in "King of the Royal Mounted", actor Robert Strange (as John Malcolm)