Power - up themes are quite popular. In these fanfictions, the Thundercats might gain new powers or abilities during a crossover. It could be due to some magical item from the other franchise or a new form of training. This makes the Thundercats even more powerful and gives the story a new direction.
Since we are avoiding adult content, some popular non - adult Thundercats fanfiction themes could be adventures in new lands within the Thundercats' universe. For example, exploring uncharted areas of Third Earth and encountering new magical creatures.
One idea could be to have the Thundercats arrive in the Avatar world. Maybe they land near a Water Tribe. The Thundercats' advanced technology and unique abilities would be a shock to the Avatar world. Lion - O could form an alliance with Aang. They could learn from each other's leadership styles. The Thundercats could help in the fight against the Fire Nation with their strength and weaponry.
Skeletor from He - Man is really interesting. His evil nature and magic powers create a great contrast with the Thundercats' more heroic and noble qualities. It leads to some intense battles and power struggles.
A Thundercats and Star Wars crossover fanfiction would be really cool. The Thundercats could be in the Star Wars universe, and their unique powers and weapons could be a great addition. Maybe the Thundercats could help the Jedi or the Rebels in their fight against the Sith or the Empire. For instance, Cheetara's speed could be useful in battles, and Tygra's illusions could be used to deceive the enemy.
One popular theme is the origin stories of the Thundercats. For example, exploring how Lion - O became the leader. Another theme could be the relationships between different Thundercats characters, like the friendship between Panthro and Cheetara. And battles against new and powerful enemies are also common themes in thundercats fanfic.
A possible conflict could be a misunderstanding between the two groups. The Thundercats' brash and direct approach might be misinterpreted by the more diplomatic Avatar world. For example, when Lion - O first meets the Earth Kingdom leaders, his eagerness to solve problems with force could cause tension. This could lead to a series of events where both sides have to learn about each other's cultures to avoid all - out war.
Archive of Our Own (AO3) is also a great place to find Thundercats crossover fanfiction. It has a well - organized tagging system, so you can easily filter for the specific crossovers you're interested in. There are often high - quality and unique takes on Thundercats crossovers there.
One possible plot could be that Naruto and his friends are somehow transported to the Thundercats' world. Naruto, with his ninja skills, could team up with Lion - O to fight against a common enemy like Mumm - Ra. Naruto's Rasengan could be a powerful weapon against the dark magic in the Thundercats' realm.
One possible plot could be that the Thundercats are transported to the Naruto universe. They might be mistaken for powerful ninjas at first. Lion - O could end up learning some ninja techniques and share his sword - fighting skills with the ninjas. Cheetara could use her speed in the same way as some of the fast - moving ninjas in Naruto. And they could all team up to fight a common enemy, like a powerful rogue ninja who has some dark magic similar to the villains in the Thundercats' world.
One common theme is empowerment. Writers often show the female lion as a strong and independent character, able to hold her own in battles and decision - making. Another theme is her relationships, whether it's with her fellow Thundercats or with characters she meets during her adventures.