Marinette's friends, like Alya, would be heartbroken. Alya, being Ladybug's biggest supporter, would probably feel a sense of loss and confusion. She might start to investigate Ladybug's death, trying to figure out what really happened. The other classmates would also be affected, with the mood at school becoming very somber.
Chat Noir would be really worried. He might blame himself for not being there to protect her. He would probably stay by her side until she recovers. And Marinette's friends like Alya would also be concerned. They might try to keep her identity a secret while also taking care of her as Marinette.
Master Fu might be a bit more cautious. He would see the potential risks not only to Ladybug but also to the Miraculous. He might try to find a way to transfer the Miraculous to someone else temporarily during her pregnancy to ensure its safety. But he would also understand Ladybug's determination and try to support her as best he can while still being concerned about the balance of the Miraculous world.
She would also be very determined to bring him back to the good side. Ladybug might search for a way to break whatever spell or influence has made Chat Noir evil. She could look for a special power - perhaps from another Miraculous or a magical item - that can reverse the change. And in the meantime, she has to be careful not to get hurt by Chat Noir while still trying to protect Paris.
Ladybug would see Disneyland as a place full of positive energy. She would be cautious at first, always on the lookout for any signs of trouble. But as she explores, she'd start to enjoy the different shows and parades. Chat Noir would be like a big kid. He'd want to try every single ride and interact with all the costumed characters. He might even challenge some of the Disney villains to a friendly duel. And Marinette, well, she'd be busy taking mental notes for her future fashion creations, while also being in love with the whole Disney atmosphere.
Marinette (Ladybug) would probably be both overjoyed and terrified. She'd be happy to have a new life in her family but also worried about protecting her. Adrien (Chat Noir) would be super excited and very protective. He might even be a bit over - protective at times. Alya would be the supportive best friend, helping Marinette with baby stuff and giving her advice on how to balance motherhood and superheroing.
In an akumatized Ladybug fanfiction, the akuma might enhance her powers in unexpected ways. For example, her Lucky Charm could become a more powerful and unpredictable object. Her akumatized form might also have a darker and more menacing look, perhaps with a more aggressive fighting style. Writers could explore how the heroes and villains interact with this changed Ladybug.
In this 'Miraculous Ladybug Criminal Ladybug Fanfiction', there could be a lot of potential storylines. One possibility is that an external force is influencing Ladybug to commit crimes. It could be a new villain who has found a way to manipulate the Miraculous. This would create a great conflict as Ladybug has always been the symbol of good. Her friends and allies would be in shock and would have to find a way to stop her without hurting her. The story could also explore her internal struggle, as she might be aware of what she's doing but unable to stop herself.