Well, it could be that baby Robin's presence brings out a softer side of the Justice League. They might start doing more community - based activities suitable for a baby, like visiting orphanages or hosting baby - friendly events. And baby Robin could be the little mascot that unites them even more. Maybe he'd have some cute interactions with the Flash, like trying to catch his lightning - like speed.
In some fanfictions, Baby Robin forms an unexpected bond with a less - popular member of the Justice League, like Aquaman. They go on a small adventure together, away from the main group. Aquaman teaches Baby Robin about the underwater world and its secrets, which helps Robin in a later, more dangerous mission.
Batman would be very strict and vigilant about baby Robin's safety. He'd constantly be checking on him. Superman, on the other hand, might use his powers to amuse the baby, like flying around with him gently. Wonder Woman could be like an aunt figure, teaching the baby about courage and honor in simple ways.
To write a good Justice League Baby Robin fanfiction, think about his growth arc. Start with him being a little naïve and by the end, he should have learned something valuable. You can also introduce new characters or species in the story that are related to the Justice League's universe. This can add more depth and excitement to the fanfiction.
In this fanfiction, Robin could be saving the Justice League from a threat that they didn't see coming. For example, a mind - controlling parasite that has infected some of the members. Robin, being the smart and resourceful character he is, figures out a way to neutralize the parasite. He might have to go through a series of challenges, like sneaking into a heavily guarded enemy base, decrypting complex codes to find the antidote, and then distributing it to the affected League members.
In a 'Justice League meets Robin' fanfiction, Robin could show off his amazing acrobatic skills to the Justice League members. They might be impressed and start to see his potential as a valuable addition to their team. Maybe Robin would help Batman communicate better with the other League members, as he often understands Batman's thinking.
Another theme is the exploration of their powers in a more innocent and clumsy way. Since they are babies, they don't fully understand or control their abilities, like Superman baby accidentally flying into walls or Wonder Woman baby trying to lasso things she shouldn't. There's also the theme of friendship and teamwork starting at a very young age. They might not be as coordinated as their adult selves, but they still try to work together to solve small problems in their baby - sized world.
It could be a new villain who has a grudge against the Justice League. Maybe someone whose family was affected by the League's actions in the past. This villain would be very smart and powerful, creating elaborate traps for the League members.
In a 'Justice League meets Robin' fanfiction, Robin is definitely one of the main characters. He is the link between the dark world of Gotham and the grandeur of the Justice League. The members of the Justice League are also main characters. Batman is an important one as he is Robin's mentor. Superman, with his incredible strength, will be there. Wonder Woman, with her grace and power, would be involved. Flash, known for his speed, Aquaman ruling the seas, and Green Lantern with his power ring - all these characters will interact with Robin and shape the story.