Perhaps there could be a plot where the pregnancy is a sign of a new era for the tribe. Hiccup might see it as a chance to bring new ideas about family and community to the Vikings. He could start initiatives like building better homes for families or creating safer areas for children to grow up in, all inspired by the upcoming addition to his own family.
A possible plot is that Astrid is pregnant and she's worried about how she'll continue to be a strong warrior. She might struggle with the idea of being more vulnerable. Hiccup, on the other hand, is over the moon but also realizes he needs to step up and protect their family more. They could also face some opposition from the village elders who are worried about how a pregnant warrior and a new baby will fit into the village's traditions.
Another plot idea is that a strange illness starts affecting the dragons in Berk. Toothless is one of the first to show symptoms. Hiccup, being the dragon expert, sets out to find a cure. He and Toothless travel far and wide, facing many challenges along the way. They meet other dragon riders from different lands who may or may not be helpful in their quest for the cure. This journey tests their bond and shows how much they rely on each other.
A plot could involve Elsa's ice powers acting up during her pregnancy. Hiccup, being from a more technological and dragon - friendly world, tries to find ways to help her control it. They might seek the help of Toothless and other magical creatures in their world. Maybe they face opposition from some of their people who are not happy about their union, especially with a baby on the way. But they stand strong together and prove that love can bridge any gap.
One idea could be exploring how they adjust to the new responsibilities. Hiccup might be worried about protecting his family while still leading the village. Astrid could be determined to train their future child to be a great dragon rider from an early age.
One plot idea could be that Hiccup forgets all about his dragon - training skills and his relationship with Toothless. So, he has to start from scratch, relearning how to communicate with Toothless. This would create a lot of humorous and touching moments as Toothless tries to remind Hiccup of their bond.
Well, a plot could involve Hiccup and Toothless getting separated. Hiccup then has to go on a journey to find Toothless, facing many challenges along the way, like bad weather and other dangerous creatures. Or perhaps they find a magical object that gives Toothless some new, unexpected powers. Hiccup then has to help Toothless learn to control these powers. Also, they could be transported to a different time period, and have to find their way back while also dealing with the differences in that era.
One plot idea could be that Dagur and Female Hiccup are forced to team up to face a new threat in their land. They start off not trusting each other but as they go through various challenges together, they begin to respect and then develop feelings for one another. Another could be a story where Female Hiccup has to save Dagur from a dangerous situation and in the process, Dagur realizes how strong and amazing she is, leading to a friendship that could turn into something more.
One possible plot idea could be that they discover Astrid is pregnant and they start preparing for the baby. Hiccup might be a bit nervous at first but then becomes super excited. They could face challenges like how to keep the village safe while also getting ready for the new arrival.
A possible plot is that there is a magical event that switches the minds of Stoick and Baby Hiccup. So Stoick has to figure out how to take care of himself as a baby while Hiccup, in Stoick's body, has to deal with the responsibilities of being the chief. It would be full of comical and heartwarming moments as they both learn about each other in a very different way.
Well, a plot could revolve around them starting a family. Hiccup and Heather could face difficulties in having children, like dealing with some sort of magical or environmental factor that is affecting their ability to conceive. Or perhaps they adopt a child from a troubled tribe and have to help the child adjust to their new life with them.