In a fanfiction where Kid Goku meets Future Goku, one possibility is that Future Goku would be amazed at seeing his younger self. He might share some of the dark experiences he has had in the future, like the battles against powerful enemies and the losses. Kid Goku, being young and full of energy, could be inspired by Future Goku's strength and determination. Maybe he would start training even harder, eager to reach the level of his future self.
There could also be a moment of self - discovery for both of them. Goku might see his past self in Kid Goku and realize how far he has come, while Kid Goku could get a glimpse of his future potential through meeting his adult self. They could share stories about their friends and enemies, like how Goku could talk about Vegeta and Frieza to Kid Goku, and Kid Goku could tell Goku about his early battles with the Red Ribbon Army.
It's hard to say. Adult Goku has more experience and has achieved higher power levels. But Kid Goku has an unbridled potential that could make him a formidable opponent even to his adult self.
In the fanfiction, their relationship could be one of mutual admiration. Kid Goku would look up to Future Goku for his experience and power. Future Goku, on the other hand, would be charmed by Kid Goku's innocence and raw potential. They could train together, and during this process, they would form a strong brother - like relationship.
In a fanfiction where Future Gohan meets Goku, it could be an emotional reunion. Gohan might be filled with a sense of relief and joy, seeing his father again. He could show Goku all the things he's been through in the future, and Goku would be both proud and sad about what his son has endured.
In this fanfiction, they might have an epic sparring session. Adult Goku could teach Kid Goku some new techniques, like the Instant Transmission. It would be amazing to see how Kid Goku reacts to Goku's Super Saiyan forms.
One possible plot twist could be that Kid Goku is actually from an alternate timeline and has some powers that Dragon Ball Z Goku doesn't expect. Another could be that a villain uses their meeting to his advantage, like creating a rift between them to cause chaos.
The main characters are obviously Kid Goku and Bardock. Kid Goku is the young and innocent version of the powerful Saiyan we all know. He's full of energy and has a pure heart. Bardock, on the other hand, is a strong and battle - hardened Saiyan. He has a more serious and warrior - like demeanor compared to Kid Goku.
Well, one possibility is that Bardock could see the potential in Kid Goku. He might be amazed at Goku's innocent yet strong - willed nature. Maybe he'd start to train Goku in some special Saiyan techniques, which could set Goku on a different path in his power - up journey.
In this fanfiction, Kid Goku might be initially shocked to meet Raditz. He could try to fight him with his pure-hearted and fearless nature, not fully understanding the power difference. Maybe Raditz would underestimate Goku at first due to his small size and childlike appearance.