Maybe the Earth 39 they land on is a post - apocalyptic world where the rules of society are very different. Kara and Alex initially think they can use their usual methods to survive and help, but they soon find out that the real power on this Earth lies in something they never expected. This could be a group of non - superpowered people who have found a way to control the environment in a very unique way. It would be a big plot twist as Kara and Alex have to re - evaluate their approach.
One possible plot twist could be that on Earth 39, Alex has some latent superpower that she discovers. This would completely change the dynamic between her and Kara, as now they both have super - abilities. Another twist could be that the version of Kara on Earth 39 is actually an evil doppelganger, and the real Kara has to convince Alex that she is the true one.
It could be a story that focuses on the relationship between Kara and Alex in this new setting. Perhaps on Earth 39, their bond is tested in ways it hasn't been before. They could be separated and have to find their way back to each other while dealing with various obstacles. It might also explore how they adapt to the different culture and rules on Earth 39.
One possible plot could be that Alex and Kara are in a difficult situation, like facing a powerful enemy. Kara might feel pressured to protect everyone but starts to doubt her abilities. Alex, seeing Kara's struggle, tries to support her but also has her own fears. This internal and external pressure could lead to Kara's mental breakdown as she feels she's failing those she loves, and Alex has to find a way to bring Kara back from the brink.
In some 'kara x alex fanfic', Kara and Alex could be in a post - apocalyptic world. They rely on each other for survival, sharing resources and protecting one another. Their bond deepens as they face the harsh reality of the new world. Another idea could be that they are both artists in a big city, attending the same art events and gradually realizing their feelings for each other through their shared passion for art.
One possible plot twist could be that the train is not what it seems. Maybe it's a magical train that only appears at certain times, and Creed accidentally stumbles upon it. And when he gets on, he realizes he can't get off until he completes some sort of task.
One possible theme could be the struggle with inner demons. Alex and Kara, despite their superhuman abilities, may have internal battles that lead to self - harm as a manifestation of their pain.
One possible plotline could be that Alex and Kara initially struggle with the news of the unplanned pregnancy. They might face doubts about their relationship, their future, and how to handle the responsibilities. For example, Alex could be worried about her career and how having a child will impact it. Kara, on the other hand, might be concerned about her powers and whether she can keep the baby safe in a world full of threats.
Some smaller, more niche fanfic communities might also have 'kara x alex fanfic'. You could try searching on specialized forums related to the fandom of which Kara and Alex are part. These forums often have sections for fan - created content, including fanfiction. However, make sure to follow the rules of each community when looking for and accessing fanfic.
One possible plot could be that on Earth X, Sara Lance and Alex Danvers are forced to team up against a common enemy. Maybe a powerful dictator has risen on Earth X and they are the only ones with the skills and courage to oppose. Sara's combat skills and time - traveling experiences combined with Alex's scientific knowledge and super strength could make for an interesting dynamic.
Well, in some fanfictions, there might be a plot twist where the portals between the different Earths malfunction in a new way. Instead of just allowing the heroes and villains to cross over, they start merging certain parts of the different Earths. So you might have a city on Earth - 1 that suddenly has a section that looks like it's from Earth - X. This would create all sorts of chaos and new challenges for the characters to deal with. It also gives an opportunity for different versions of the characters to interact in unexpected ways, like a more peaceful version of a villain from one Earth having to face off against their more malevolent counterpart from another Earth that has now invaded their space.
A common theme is friendship. Since Alex and Kara are often depicted as friends, their bond and how they support each other is a big part of the fanfics. Another theme is adventure, like going on quests or facing challenges together.