Yes, there might be. The Naruto and Godzilla universes are both very popular, and it's not uncommon for fans to create crossover fanfictions. Some fans might be interested in imagining Naruto in a scenario related to Space Godzilla, perhaps with Naruto having to face this powerful kaiju or even teaming up with it in some strange alternate universe plot.
One idea could be that Naruto is transported to the Godzilla universe. He could use his ninja skills to try and communicate with Godzilla or other kaiju. Maybe he'd attempt to use his shadow clone jutsu to confuse the monsters during a battle.
Another possibility is that Godzilla somehow ends up in the Naruto world. The shinobi might initially see it as a great threat, but Naruto could try to communicate with it using his ability to sense emotions. Maybe Godzilla is there because it's being chased by an even greater enemy from its own world, and Naruto and his friends decide to help it.
One interesting Naruto and Godzilla fanfiction could be where Naruto gains the ability to summon a miniature Godzilla. It could add a really unique dynamic to his battles, like when he's facing powerful enemies in the Naruto universe. He could use Godzilla's raw power combined with his own ninja skills.
Well, first off, there would be a lot of destruction. Godzilla is huge and his attacks are powerful. The landscape would be changed completely. For example, if he was summoned in the middle of a battle in the Naruto world, he could easily take out large groups of enemies just by stomping around. Also, Naruto would have to deal with the fact that Godzilla is not an ordinary summon. He might not be as easily controllable as other summons. Naruto would have to find a way to communicate with Godzilla, maybe through his chakra or some other means.
A plot could be that Godzilla's DNA is used in some crazy experiment in the Naruto world and it creates a hybrid creature with ninja abilities. This new being has the strength of Godzilla and the stealth and jutsu skills of a ninja. It would be a very powerful and unpredictable character in the fanfiction.
There might be a fanfiction where Naruto gains the power of Godzilla. Imagine Naruto being able to transform into a mini - Godzilla like form, using Godzilla's atomic breath in his battles against the likes of Sasuke or Orochimaru. It would completely change the dynamics of the Naruto world's power structure.
Well, one way is through the concept of chakra. In the Naruto world, chakra is the life force. You can make it so that Godzilla has a connection to chakra. Maybe his atomic breath is powered by a special type of chakra. This would tie the two worlds together in a cool way.
One of the most creative ideas might be that the Naruto world is actually a part of Godzilla's world in a way. Maybe the tailed beasts are related to some ancient Godzilla - like creatures. In this fanfiction, Naruto and his friends have to uncover this mystery and deal with the implications.
One possible plot twist could be that Naruto discovers Godzilla is being controlled by an evil force. So instead of just fighting Godzilla, he has to find a way to break the control. Another could be that Godzilla is actually a guardian of some sort, and Naruto misinterprets its actions as aggression at first. Then they end up teaming up against a greater threat.