A plot twist could be that the pregnancy is a false alarm, but Michonne has already made significant life changes based on it. She might have given up her old life, her role in a group, etc. only to find out later that she's not actually pregnant. This would lead to a lot of internal conflict as she tries to figure out what to do next. Another could be that the baby has some sort of unique genetic makeup that makes it a target for both good and bad forces. Some might want to protect it because it could be the key to saving the world, while others want to use it for their own gain.
One possible plot twist could be that the father of the baby is not who everyone initially thinks. Maybe there's a secret admirer or an old acquaintance who turns out to be the father. Another plot twist could be related to the safety of the pregnancy. For example, there could be a new threat in the world she lives in that specifically targets pregnant women. Or perhaps, Michonne discovers some special powers or abilities that are awakened during her pregnancy, which is completely unexpected and changes the course of the story.
Well, a plot twist could be that Michonne's pregnancy is part of a grand plan by an enemy. They might be using her pregnancy to manipulate her or those around her. Maybe they plan to take the baby once it's born for some sinister purpose. Also, it could be that during her pregnancy, Michonne starts to have visions of the future. These visions could show different possible outcomes for her baby and the world around her, and she has to figure out how to either make the best future come true or avoid a disastrous one.
Another plot twist could be that the father of the baby is not who they initially thought. This would create a huge amount of drama and relationship turmoil. It could also lead to a search for the real father and a battle against whoever was trying to deceive them about the pregnancy.
Well, a plot twist could be that the baby has some unexpected powers. Since Klaus is a hybrid and Elena has her own unique connection to the supernatural world, the baby could inherit a combination of powers that no one has seen before. It could also be that Elena discovers she's pregnant but then loses the baby due to some dark magic, which leads to Klaus going on a rampage. Then, later, it turns out the baby is still alive but has been hidden away by a secret group who wants to use it for their own ends.
The plot twist could be that Kol and Davina find out that the pregnancy is part of a prophecy. However, the prophecy has been misinterpreted by many. They initially think it's a good thing, but as they dig deeper, they realize that there are dark forces at work trying to use the baby for their own evil purposes. So they have to fight against these forces to protect their unborn child and their future together.
One possible plot twist could be that they initially think they are having one baby but find out it's twins. This would add an element of surprise and more challenges for them in the story.
One possible plot twist could be that they face opposition from their respective families or groups. Maybe Ahsoka's Jedi Order is against it due to their code. Another could be that there are complications during the pregnancy that force them to seek help from unlikely sources. For example, they might have to turn to an old enemy who has medical knowledge.
One possible plot twist could be that the pregnancy was a result of some scientific experiment gone wrong. Maybe Moriarty had a hand in it as part of his grand scheme to mess with Sherlock's mind. Another could be that Molly discovers she's pregnant but Sherlock is in the middle of a very dangerous case and she has to struggle to keep the news from him while also dealing with the changes in her body.
One possible plot twist could be that they discover the pregnancy is part of a time - altered event. Maybe some villain from the future has meddled with their timelines to ensure the pregnancy for some devious plan. Another could be that during the pregnancy, they find out that the baby has some extraordinary powers related to time travel, which brings both excitement and fear.
One possible plot twist could be that there are difficulties during the pregnancy. Maybe there's a shortage of food in the pride lands which causes stress and potential problems for Nala. This could lead to Simba having to go on a dangerous journey to find a new source of food and ensure the survival of his family.
Another plot twist might be related to Elizabeth's memories. Since she has had multiple reincarnations, there could be something in her past memories that affects the pregnancy. For example, a past life's vow or curse that she was unaware of starts to have an impact on her current state of being pregnant.
One possible plot twist could be that they initially think the pregnancy is normal but then discover some sort of genetic anomaly. This could lead them on a journey to find a solution and bring them closer together as a couple.