(Shazam! I #1) - <1953> The mayor of Fawcett City threw a celebration at city hall to honor the Marvel Family, with a number of their friends and fans in attendance, including Joan Jameson. The wicked Sivana Family chose that moment to strike from Sivana's spaceship, hitting the crowd with a vortex transporter paralyzer ray, drawing them into space, and encasing them in a globe of suspendium, a compound that would put them in suspended animation. Sivana, Junior slapped his dad on the back for a job well done, causing Sivana to lose control of his spaceship and crashing into the suspendium, trapping the villains with their victims. The globe orbited the sun for decades until the heat of the sun began to melt the suspendium, freeing the Marvel Family. They realized the suspendium was being pulled into the sun's orbit, and had to act fast to save the lives of everyone inside the globe. The Sivana Family revived and flew their spaceship to safety while the Marvel Family pushed the globe back to Earth before smashing it, freeing their friends and returning to Fawcett. Mary Marvel and Captain Marvel, Jr. went into space to search for the Sivanas, while Captain Marvel checked out one of Sivana's old mountain hideouts. He found the Sivana Family working on a death projector, which Sivana fired up, hoping it would destroy most of Earth's population, making him ruler of the world. Marvel smashed their machine and took the Sivanas to jail, but they all shared a laugh over how happy they were to be a live and out of suspended animation.

(Shazam! I #6) - Sterling Morris congratulated Billy on a great noon newscast, and secretary Joan Jameson informed him that a fan of his show was waiting for him. A bearded watchmaker presented Billy with a personalized wristwatch. Billy went back to his office to admire his present, while the watchmaker left WHIZ and took off his disguise. The watchmaker was actually Sivana, who gloated that Billy and Captain Marvel never could see through his disguises. The wristwatch was made of suspendium, and programmed to respond to Billy saying Shazam! by freezing time for him for two minutes. Billy heard a report of the South Street Bridge collapsing, and when he tried to turn into Captain Marvel the suspendium watch went into effect,. Billy was unaware of the time lapse, but by the time he got to South Street the bridge was already down. Sivana was following him, and when time froze as Captain Marvel turned back to Billy he bragged that two minutes without Marvel's interference was all the time he needed to become the rightful ruler of the world, his stepping stone to becoming the ruler of the universe. Billy returned to WHIZ, and saw that according to the lobby clock his watch was two minutes slow, so he corrected the time. A maintenance worker later entered the lobby and fixed the clock, realizing it was two minutes fast. Sterling told Billy to turn on the TV, because Sivana had hijacked all television broadcast signals. Broadcasting from his hideout Sivana showed off his universal will-paralyzer, and said he'd set it off in two minutes. Since he had time before Captain Marvel to stop him, he decided to read off a list of everything he planned to do as ruler of the world. Billy said the magic word, and the suspendium watch, no longer set to the correct time, blew up. Captain Marvel found Sivana's hideout within seconds, and destroyed his universal will-paralyzer. Sivana cursed his luck, and after a light sock to Sivana's jaw Captain Marvel took the mad scientist to prison.

(Shazam! I #11) - Billy Batson, Mary and Freddy attended Sterling Morris’ Christmas Eve party along with all of their friends, including Beautia Sivana, Joan Jameson, the Potters, Sunny Sparkle, Mr. Tawky-Tawny and Uncle Dudley. The Sivana Family groused in their lab about how much they hated Christmas, and Sivana activated his Cosmic Clock, speeding up time so Christmas day would only last 10 minutes. The Marvel Family went into action when they noticed time was speeding up around them, and they saved Santa Claus, who was having trouble controlling his sped up reindeer. Santa told them the Sivana Family were trying to ruin Christmas, so the Marvels flew to the Sivanas’ lab and made short work of them. Combining their strength the Marvels stopped the Cosmic clock and pushed its’ hands backwards so Christmas day could proceed at a normal rate. The Marvels visited the Sivanas in jail, and said they found an appropriate Christmas present, the first the Sivanas had ever gotten, for the family that proclaimed themselves the rightful rulers of the universe. The present turned out to be a book entitled The Universe, and the Marvels returned to Morris’ party to celebrate the holiday with their friends.

(Shazam! I #12) - Billy checked in with WHIZ secretary Joan Jameson, who told him he had no callers, but when he went to his office Billy was met by Jarl 499-642-831, a time traveler investigating the one day the history books said Captain Marvel did nothing at all. When they left the office Joan had no idea where Jarl came from, but came to expect the unexpected when you worked with Captain Marvel’s alter ego. Billy interviewed Dr. Thomas Kilowatt, an inventor who created a Midas Effect machine that turned lead into gold. The machine started a chain reaction, with the gold it created turning everything it touched into gold. Billy changed into Captain Marvel and took Kilowatt’s gold fillings, stretching them to contain the Midas Effect gold. Kilowatt swore him to secrecy before hiding the gold so no one could seek to replicate his scientific experiment.

Joan Jameson was originally published by Fawcett Comics, which DC obtained the rights to in 1972.

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