Their relationship would likely become more solid. Having a baby together means they have a new shared responsibility. They would have to rely on each other more, like when taking care of the baby at night or making important decisions about the baby's future.
A prevalent theme is forbidden love. Given Elsa's status as a queen and the history of Hans' betrayal, their relationship is often depicted as something that society or the characters themselves initially resist. There's also the theme of trust - building. After what Hans did in the movie, Elsa has to learn to trust him again, and fanfictions often delve into the process of how they overcome the obstacles of mistrust. This can involve many emotional scenes and character - growth moments for both of them. It's really interesting to see how different authors handle these themes and create unique stories out of them.
It might start with a chance encounter. They see each other in a new light and gradually start to develop feelings. Their relationship develops as they exchange kind words and small gestures of kindness.
Anna could be the one to save Elsa. After all, she has proven herself brave and determined in the original story. She would stop at nothing to rescue her sister from Hans's clutches.
In Elsa and Hans love fanfiction, often there is a lot of character development. Since their initial relationship in the movie was so rocky, the fanfictions usually focus on how they overcome those initial negative impressions. For example, Hans might be written as having a change of heart more thoroughly and Elsa learning to trust again.
Well, Tumblr can be a great place too. There are many bloggers who share or even create their own Hans x Elsa fanfictions. Just use the search function and type in relevant tags like 'Hans x Elsa fanfiction' and you might discover some interesting pieces. Also, some Frozen - themed fan communities on Reddit may have links or discussions about such fanfictions.
One possible plot in this fanfiction is that Hans kidnaps Elsa not just for power or revenge, but because he is being controlled by some dark magic. He takes Elsa to a remote location where she has to fight not only Hans but also the source of the dark magic to free herself and save Arendelle. Along the way, Elsa might discover new aspects of her powers that she didn't know before.
One key element is the exploration of their relationship. Since in the original story their relationship is quite complex, fanfiction often dives deeper into how they might interact on a more personal and romantic level.
One possible story could be that after many trials and reconciliations, Hans and Elsa find a common ground. They might start off as enemies, but over time, they come to understand each other. Elsa's ice powers could play an interesting role in the pregnancy, like creating a special, safe environment for the baby. And Hans could change his ways, becoming a more loving and protective partner and father.
One possible plot could be that in an alternate universe where the events of the Frozen movies took a different turn. Maybe Hans wasn't as bad as he seemed initially. He could have had a change of heart during his time in Arendelle. Elsa, on the other hand, gradually overcame her fear of her powers and human connection. They might meet during a time when Elsa is exploring the outside world more freely. A sudden danger, like a new magical threat, could bring them closer and lead to that kiss as a moment of new - found trust and attraction between them.