One idea could be Robin getting into a dangerous situation while trying to prove himself to Batman as a worthy 'son' in the crime - fighting world. Maybe he goes after a villain alone that Batman has been warning him about.
Perhaps in the fanfiction, Robin discovers a long - lost relative. Batman, as his father figure, has to help Robin navigate this new family discovery while also dealing with the potential threat this new relative might bring to their secret identities and crime - fighting work.
One plot idea could be Robin getting kidnapped and Batman having to use all his detective skills to find him. It would show their strong bond as father and son. Another could be Robin wanting to prove himself to Batman by taking on a tough villain alone but getting in over his head, and Batman coming to his rescue and teaching him a valuable lesson about teamwork.
A plot idea could be that Robin discovers a long - lost relative, and Batman has to deal with the fear of losing his 'son' to this new family connection. This would put their relationship to the test as Batman might become overprotective, and Robin might feel torn between his new family and Batman.
One idea could be to have Batman and Robin face a villain who has the power to manipulate time. They would have to figure out how to stop the villain from changing history. Another could be that Robin gets kidnapped by a new, never - before - seen criminal and Batman has to use all his detective skills to find him. Maybe a third idea is that a powerful alien lands in Gotham and Batman and Robin have to team up with other heroes to deal with it.
One idea could be that Robin discovers a dark secret about Batman's past that makes him question their relationship, leading to a tense confrontation. For example, if Robin finds out that Batman once made a deal with a villain that had far - reaching consequences. Another plot could involve a new villain manipulating Robin into believing Batman is a threat to Gotham, causing them to fight. Maybe the villain uses mind - control technology.
One idea could be Batman teaching Baby Robin the basics of detective work. For example, showing him how to analyze crime scenes for clues. Another could be a story where they face a villain who specifically targets Robin because he's young and inexperienced. A third idea might be a heartwarming tale of Batman protecting Robin during a city - wide disaster.
In some 'batman fights robin fanfiction', there might be an external factor like an ancient curse that affects Robin. He becomes aggressive and unpredictable, forcing Batman to fight him. This could also be related to a prophecy that Robin is supposed to bring chaos, and Batman is trying to prevent it. Batman would be conflicted as he doesn't want to harm Robin but also needs to stop the potential danger.
Well, you could have a story where the Bat - family faces a crisis that makes them question their purpose. Robin might start to doubt if he should continue in this life. The family then has to work together to reaffirm their values. It could also be interesting to see a story where an old enemy returns, but this time targets the emotional weaknesses within the Bat - family.
Well, a really cool plot might be that baby robin accidentally stumbles upon an old enemy of batman's, who doesn't realize he's just a baby. Batman then has to use all his wits to protect baby robin without the enemy finding out his true identity. Also, there could be a story where baby robin befriends an unlikely animal in the Batcave, and batman has to figure out how to handle this new situation. Maybe baby robin starts to show signs of being a tech genius at a very young age, and batman begins to train him in that aspect early on.
A possible plot could involve a mind - control situation. An evil sorcerer manages to put Robin under his spell and sends him to attack Batman and Wonder Woman. They are reluctant to fight Robin but have to find a way to break the spell without harming him. Meanwhile, they also need to stop the sorcerer from using Robin to carry out more devious plans, like stealing secrets from the Justice League.
Well, a plot might involve Poison Ivy falling in love with Robin in a strange way. She tries to seduce him not just for her own gain but because she actually develops feelings. Batman, of course, sees this as a major threat and tries to separate them. Meanwhile, Poison Ivy's plants start to act out in strange ways due to her mixed emotions. Some plants become protectors of Robin while others are still under her full control and are used to attack Batman. This would create a complex dynamic between the three characters.