One possible plot could be that Damian and Mar face a lot of challenges upon finding out about the pregnancy. Maybe they're young and not fully prepared, so they have to deal with the reactions of their families and friends. Their relationship might be tested as they struggle to adapt to the idea of becoming parents.
Another plot could be that Damian and Mar are in a relationship that was already on the rocks. The pregnancy comes as a complete surprise and forces them to re - evaluate their feelings for each other. They might start off being scared and even thinking about not keeping the baby, but as time goes on, they gradually grow closer again through the process of preparing for the baby's arrival.
They could be original characters created specifically for this fanfiction. Maybe they are two young lovers in a fictional town, with their own dreams and personalities. Damian could be a kind - hearted but sometimes reckless guy, while Mar might be a more cautious and intelligent girl.
One possible plot twist could be that the pregnancy is a result of some sort of magical or alien interference. Maybe there was a spell gone wrong or an experiment that affected them in unexpected ways. This would add an element of mystery and danger to the story as they try to figure out what exactly happened and how to deal with it.
Mar'i's family, being from an alien culture, might have a more accepting view initially. Her mother, for example, could offer advice based on her own experiences in their alien society. But there could also be some members of her family who worry about the mixing of their alien genes with Damian's human ones and what that could mean for the future of their family line.
A plot twist could be that the pregnancy is not what it seems. Maybe it's an illusion created by a villain to distract them from a bigger threat. Raven and Damian might initially believe it's real and start making all these plans, only to find out later that they've been tricked.
One possible plot idea could be the two of them dealing with the initial shock of the pregnancy. They might struggle with how to tell their families and friends. Another could be them preparing for the baby, like setting up a nursery in the Batcave or Raven's mystical realm. They could also face challenges from villains who see the unborn child as a potential threat or a tool for their evil plans.
Maybe Damian is arrested for pokemon poaching. He could have been hunting down endangered pokemon species in a protected area. The fanfiction could then focus on the legal process he has to go through, like facing trial and the evidence against him. Also, other characters might try to find out if he was acting alone or part of a bigger poaching ring.
In a 'damian gets kidnapped fanfiction', perhaps Damian is kidnapped because he has some special knowledge or power. The kidnappers could be a secret organization. His friends might start to search for him, and along the way, they discover secrets about Damian they never knew before. They have to overcome various obstacles to find him, like decoding mysterious messages left by the kidnappers.
Maybe Damian could be a transfer student to Hogwarts. He'd bring his combat skills and detective - like thinking. He might get into trouble for using his non - magical combat methods in the magical school, but also use his wits to solve mysteries that even the Hogwarts students can't.
You can try Archive of Our Own (AO3). It has a large collection of fanfiction, and you're likely to find many Damian and Raven pregnant fanfics there. Just use the search function and type in relevant keywords like 'Damian and Raven pregnant'.
Well, perhaps she could be a transfer student. She'd bring her combat skills from the Batman world to Hogwarts. Maybe she'd get into trouble for using non - magical ways to solve problems at first, like trying to physically fight a magical creature instead of using a spell. And she'd probably be really good at Defense Against the Dark Arts because of her training as a vigilante.