It depends. Some rare or early editions of Superboy comics can be quite valuable, especially if they're in good condition and have significant collector interest.
In Superboy Prime crossover fanfiction, one common theme is his struggle with his identity. Since he comes from a different reality, when he crosses over, he may face challenges in fitting into the new world. He might also clash with other characters who don't understand his motives or his power level. Another aspect is how his presence can change the existing power balance in the crossover universe. Writers can use this to create intense battles and complex relationships between characters.
A good superboy story often has a relatable hero. Superboy, despite his powers, should face normal teenage problems like fitting in at school or dealing with family issues. For example, in some stories he has to hide his powers from his friends which makes him seem more human.
One superboy bedtime story could be about Superboy saving a small town from a powerful storm. He uses his super strength to hold up buildings and his super speed to evacuate people.
Yes, there are some out there. You can check fanfiction websites like FanFiction.net or Archive of Our Own. Just search for 'Naruto is Superboy' and you'll likely find a variety of stories with different takes on the concept.
Some Superboy fanfictions focus on his powers and how he discovers new abilities. He might face a powerful villain that forces him to tap into latent powers he didn't know he had, leading to an exciting story arc of self - discovery and power - up.
A common theme is friendship. Since they are both young heroes, many fanfictions explore how they form a bond and support each other. For example, they might help each other through personal problems or team up against villains who target them specifically.