They would be shocked at first. Minato would be filled with pride and joy seeing his son all grown up. Kakashi would respect Naruto's strength. Obito might be a bit envious of Naruto's popularity but also admire his spirit. Rin would be very friendly towards Naruto.
The 'team minato reads the future fanfiction' could potentially be about Team Minato being thrust into situations where they have to rely on their new - found ability to read the future. This might lead to them making different decisions in battles or in their daily lives. They could be faced with moral dilemmas too. For instance, if they see a future where they win a battle but at a great cost to innocent lives, they would have to decide whether to change that future or not. It could also explore how this ability affects their growth as ninjas and as individuals.
In a fanfiction where Team Minato meets future Obito, it could be a very emotional encounter. Minato might be shocked to see how Obito has changed. Obito, having experienced so much in the future, could bring warnings about future disasters. For example, he might warn about the upcoming threats to Konoha. Team Minato would have to grapple with the knowledge that Obito is no longer the person they once knew.
When Team Minato meets Hokage Naruto in a fanfiction, their reactions would depend on their individual personalities. Minato would be overjoyed and would immediately start asking Naruto about his achievements and how he has led the village. Kakashi would be his usual calm self but would show his admiration through his words and actions. Obito, who has had a difficult journey, might initially be hesitant but then would be inspired by Naruto. Rin would be the most excited, perhaps jumping up and down and saying how wonderful it is that Naruto is the Hokage. This encounter could also lead to a deeper understanding between them all and a strengthening of the bonds between generations.
Minato would react with concern and a sense of responsibility. He'd try to figure out the root of the problem. Kakashi would be reserved but still show empathy. Obito would be more upfront and vocal about his desire to help. Rin would be very gentle and motherly. For example, Minato might ask the reader about her family or dreams that have been shattered. Kakashi could share his thoughts on how he coped when he felt lost. Obito might offer to take the reader on adventures to show her the good in the world, and Rin would make sure she has something to eat and a place to rest.
They would be empathetic. Minato, as Naruto's father, would especially feel a deep sense of pain seeing his son struggle. He would want to reach out and comfort Naruto during his lonely times when the village shunned him because of the Nine - Tails.
Well, it could be that future Kakashi warns Team Minato about upcoming threats. He might tell them things they need to do to change the future for the better. Like, he could inform them about certain enemies they should be more cautious of, or secrets about the ninja world that they are yet to discover.
They would likely be extremely shocked by the technological advancements. For example, they might be amazed by the tall skyscrapers and flying vehicles if such things exist in the future of that fanfiction. They would also have to adapt to new social norms and ways of life.
Well, in this fanfiction scenario, Team Minato could initially be shocked to see Naruto from the future. Naruto might introduce them to new ninja techniques that he has developed over the years. And there could be a lot of emotional moments as Naruto reflects on his relationship with his former sensei, Minato. Also, they could team up to face a new, powerful enemy that threatens the future of the ninja world, with Naruto guiding them using his future knowledge.