In a fanfiction, the Akumas from Miraculous Ladybug could start to appear in the Avengers' world. The Avengers are initially confused by these strange creatures but quickly realize they need to work with Ladybug and Cat Noir to stop Hawk Moth, who has found a way to cross dimensions. The combined forces would make for an exciting story, with each character bringing their unique abilities to the fight.
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.
Well, it could be really exciting. Picture Ladybug and Cat Noir suddenly finding themselves in the middle of an Avengers battle in New York. Maybe they initially mistake the Avengers for akumas. And the Avengers would be super confused by these two new 'heroes' with strange powers. Ladybug's Lucky Charm could be a game - changer in a battle against a powerful villain that the Avengers are also facing.
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.
Ladybug might be in awe of Captain America's leadership and sense of justice. She could learn a lot from him about leading a team. Meanwhile, Cat Noir would probably be intrigued by Iron Man's high - tech gadgets and try to get his hands on some. He might even joke around with Thor, comparing their 'cat - like' reflexes.
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.
Ladybug and Iron Man could be really cool. Iron Man is a tech genius, and he might be super intrigued by Ladybug's magic - based powers. He could try to analyze her Miraculous while she shows him that there are things technology can't fully understand. And Cat Noir with Black Widow would be a fun pair. Black Widow's stealth and combat skills combined with Cat Noir's acrobatic abilities and his cat - like reflexes would make for some great action scenes.