Captain Marvel [also appears as Billy Batson]; Lew Blue; Fritz Flugg; Wheeler Smith; Judge William Long (cameo); Mrs. John L. Locke (cameo); Mayor William F. Devin (cameo)
Synopsis
Billy visits Seattle, where Captain Marvel foils a plot to sabotage a war bond rally by taking the place of all the incapacitated performers.
City Story: Seattle, Wash. Mayor Devin, Judge Long, Mrs. Locke (of the War Savings staff) and Smith (local radio announcer for station KOL were all real Seattle residents.
Captain Marvel [also appears as Billy Batson]; D. C. Switch (first appearance; villain; death); A. C. Switch; Sterling Morris (cameo)
Synopsis
When the Switch brothers invent a way to change one's size, D. C. becomes a giant and decides to use his new size for criminal purposes. A. C. helps Captain Marvel to defeat his brother.
Captain Marvel [also appears as Billy Batson]; Willard Batson (first appearance); Steamboat
Synopsis
Billy is surprised when he meets his cousin Willard, who tells him that some crooks tried to swindle him when he arrived in town. Captain Marvel helps Willard stop the crooks, but it turns out that Willard isn't related to Billy after all.
Captain Marvel [Billy Batson]; Mr. Mind (appearance revealed--a worm; villain)
Synopsis
After Billy escapes the ice trap, Captain Marvel tracks Mr. Mind to his secret moon base. The villain confronts Cap in several different forms (including his true appearance as a worm) but he escapes before Cap figures out which one was the true Mr. Mind.