Well, they might face some new and advanced vampires. Maybe the future vampires have developed different powers or abilities that the Cullens have never seen before.
Perhaps the future holds a time when the Cullens' secret of being "vegetarian" vampires is out and they are either revered or despised for it. This could completely change their standing in the vampire world and how they interact with others in the future. They might have to fight for their way of life all over again.
In a scenario where the Mikaelsons meet the Cullens, there could be some interesting alliances or rivalries. Maybe some of the younger members from both families might be intrigued by each other. For example, Klaus from the Mikaelsons and Edward from the Cullens could have a very tense relationship. Klaus is all about power and dominance, while Edward is more focused on protecting his family and Bella. Their different priorities could lead to some intense confrontations.
The more diplomatic characters like Carlisle from the Cullens might try to initiate a peaceful conversation with the Mikaelsons. However, the Mikaelsons' complex family dynamics could make it difficult. Klaus might overrule any attempts at peace if he feels his family's power is being challenged. He could see Carlisle's niceness as a sign of weakness. Meanwhile, the younger Cullens like Alice might be curious about the Mikaelsons' abilities and history, which could either lead to friendship or more tension depending on how the Mikaelsons respond.
In this fanfiction, they have a very close family - like relationship. The Cullens are like a big family, and Alice and Jasper are important members of it. They care for each other deeply.
Often, they are received with open arms. The Cullens value family and friendship. Since Alice and Jasper are part of their extended family, there would be hugs, smiles, and lots of chatter. They might immediately start sharing news about other vampires or events in the vampire world.
If the Cullens were to read about the future in fanfiction, it would be an interesting experience. They would probably approach it with a mix of curiosity and skepticism. Edward, with his ability to read minds, might be able to sense the intentions of the writer behind the fanfiction. Carlisle, being the wise and calm one, might analyze the future scenarios presented in the fanfiction and consider how they could potentially avoid any negative outcomes if there are similarities to their own reality. The younger Cullens like Alice might be more intrigued by the creative and out - of - the - box ideas about the future in the fanfiction.
In the fanfiction, they might have an intense reunion. Maybe there will be a lot of emotional exchanges, hugs, and smiles. They could start sharing their recent experiences and adventures right away.
In many fanfictions, when Alice and Jasper meet the Cullens, there could be a lot of emotional exchanges. Alice might use her power to foresee some potential events related to the Cullens. Jasper, with his ability to control emotions, could help ease any tensions within the group. They could also exchange gifts or tokens of friendship, strengthening their bond as a vampire family.