One idea could be exploring the backstory of the mummy in more detail. Maybe she had a family or a great love before she was mummified. Another could be a different take on the relationship between the mummy and the main characters, like if they formed an unexpected alliance. And perhaps a fanfiction where the mummy's powers are used for good instead of evil in the modern world.
A great fanfiction plot could be centered around time travel. The mummy somehow gets sent to different time periods and the main characters have to follow her through time to stop her from causing chaos. This would allow for a lot of different settings and historical references. You could also explore the idea of the mummy having a connection to a long - lost civilization. The main characters could be on a quest to find this civilization while also dealing with the mummy's threats.
One idea could be a crossover with the 'Indiana Jones' series. The Mummy's curse could somehow be related to an ancient artifact that Indiana Jones is after. Maybe they have to team up to stop the mummy from unleashing a greater evil.
Well, a plot could revolve around Harry accidentally awakening the mummy and then having to deal with the chaos that follows. The mummy might start causing strange things to happen in the town, like making the water turn to sand or the plants wither. Harry then has to find a way to reverse the mummy's awakening or at least control its actions. He could search for an old spell book that might have the answers.
One idea could be that Imhotep discovers a way to travel back in time to prevent his own mummification. He goes back to the moment when the curse was placed on him and tries to change the course of events. This could lead to a whole new set of adventures as he has to deal with the consequences of altering the past in the present.
One idea could be exploring the backstory of the Dragon Emperor before he was mummified in more detail. Maybe there were secret loves or betrayals that led to his downfall.
One idea could be that the female mummy discovers modern fashion in the hotel and tries to incorporate it into her ancient style, leading to some comical fashion disasters. For example, she might try to wear a miniskirt over her mummy wrappings and struggle to walk. Another plot could involve her forming an unlikely friendship with a human guest. They could bond over their shared love for a particular type of music, like ancient Egyptian chants and modern pop, and together they start a small music club in the hotel. A third plot idea is that she gets jealous of another female monster in the hotel who is getting more attention from the male monsters. So, she decides to go on a self - improvement journey to become more 'appealing' in her own unique mummy way.
One idea could be a crossover with 'Indiana Jones'. The mummy could be part of an ancient mystery that Indy is trying to solve. Maybe the mummy has some sort of power or knowledge that Indy wants.
Well, in a 'the mummy fanfic', you might consider a plot where the mummy's curse spreads to other artifacts in a museum, causing chaos. You could also explore the idea of the mummy having a family or a past life that was not previously known. Another interesting angle could be to write about the mummy being transported to a different time period, like the future, and how it copes with the advanced technology and different social norms.
One idea could be that the mummy monster girl is an ancient protector of a hidden tomb. A young archaeologist stumbles upon the tomb and accidentally awakens her. She initially sees him as a threat but then realizes he has a pure heart. They form an unlikely alliance to protect the tomb from those who would loot it for evil purposes.
One idea could be to explore Cassandra's past life before she became a mummy. Maybe she was a powerful priestess. Another idea is to have her interact with modern-day characters who accidentally awaken her. They could form an unlikely alliance to solve a mystery.
Well, in 'the mummy fanfiction' there could be a concept where the mummy is part of a hidden society of ancient beings. This society has rules and a hierarchy that the mummy has to abide by. It could also introduce the idea of a time - traveling aspect, where the mummy gets sent to different eras and has to adapt. Or perhaps there's a concept where the mummy's appearance changes depending on the emotions it feels. For example, when it's angry, it becomes more monstrous, and when it's calm, it looks more human - like.