A third plot could be Natasha dealing with the physical and emotional changes during pregnancy. Since she's a trained assassin, she might find it difficult to slow down and take care of herself. Steve, on the other hand, could be overly protective, which might cause some minor conflicts between them as they navigate this new chapter of their lives.
Well, a plot could involve them facing some kind of threat while Natasha is pregnant. Maybe an enemy targets her because of the baby, and Steve has to use all his strength and strategic thinking to protect her and their unborn child. It could also show how their relationship deepens as they go through this new phase together.
Well, a plot might involve the baby being sent to the future for some reason. Natasha and Steve then have to find a way to get to the future to be reunited with their child. It could also be that the baby is kidnapped by a group who wants to study the baby's genetics to create super - soldiers. Natasha and Steve would then go on a dangerous rescue mission.
One plot idea could be that Natasha and Steve are on the run from some new threat while Natasha is pregnant. They have to constantly find safe places to hide and also deal with the physical and emotional challenges of the pregnancy. Steve is overly protective and Natasha is trying to be as tough as ever, which leads to some cute and tense moments between them.
The relationship can develop through their shared anticipation of the baby. Steve can become more in tune with Natasha's emotions, and they can have deeper conversations about their future as a family. For example, they might talk about how they'll raise the child, whether they want a traditional or more unconventional upbringing.
One interesting storyline could be about their origin stories. How Steve became Captain America and Natasha's past as a spy. The fanfiction could explore how these different backgrounds affect their relationship. For instance, Steve's idealism might clash with Natasha's more pragmatic view at first, but then they learn from each other.
One interesting plot could be the challenges they face in a world that is not used to male pregnancy. They might have to deal with public reactions, both positive and negative. Another plot could be how they support each other through the physical and emotional changes that come with pregnancy.
Another angle for the fanfiction could be a more emotional journey. Steve and Natasha could have different fears and hopes regarding the pregnancy. Natasha might be worried about passing on her complicated past or her assassin skills genetically. Steve could be concerned about not being able to be there for the child all the time due to potential threats. But through their love for each other, they work through these issues.
Love and family are very common themes. It's about Natasha and Steve building a family together, so there's a lot of focus on their relationship growing deeper through this new chapter.
One possible plotline could be Bucky's internal struggle as he remembers Natasha. Maybe he has memories of a mission they were on together before his mind was messed with. He could be conflicted about his feelings for her now that he's back to his senses, especially with Steve also having a connection to Natasha.
One popular 'Natasha and Steve pregnant fanfic' is 'A New Beginning' which explores their journey into parenthood with lots of heartwarming moments and challenges they face together.