Fan CastingBoy of Steel 2

After the destruction of Prime Earth, Superboy Prime becomes a supervillain that terrorizes the most diverse Earths of the Multiverse DC, focusing specifically on Earth-1. But Superboy Prime, upon discovering that there is another person on Earth-1 using the code name "Superboy", which in this case is Kon-El, goes to him to kill him, just as he did with many other heroes. But it turns out that a young Superman appeared, coming from an alternate reality. This Superman was looking for power. He called himself "Brightburn". Conner and Jon Kent fight Superboy Prime and Brightburn. When defeated, Superboy Prime is imprisoned in an intergalactic prison, but Brightburn returns to his Reality, promising to return.