* Doomsday's Power: Doomsday is a being of immense power and near-invulnerability. He gains strength from any attack that harms him, becoming progressively more dangerous.
* The Fight: Superman and Doomsday engage in a brutal, destructive battle. Superman is initially able to hold his own, but Doomsday's power keeps increasing.
* Sacrifice: Eventually, Superman realizes that he can't defeat Doomsday with conventional methods. He decides to sacrifice himself by holding Doomsday down and letting him absorb the force of a kryptonite-fueled explosion.
* Mutual Destruction: The explosion kills both Superman and Doomsday. This is a tragic outcome, as both characters are destroyed in the process.
The "Killing" Aspect:
While Doomsday's death is undeniable, Superman's sacrifice is more of a mutual destruction. It's not a planned execution but a desperate measure to stop an unstoppable threat.
The Aftermath:
Doomsday's death is considered a victory, as he was a threat to the entire planet. However, the loss of Superman leaves a massive void, both emotionally and in terms of heroism. His sacrifice is a defining moment in the Superman mythos, showcasing his unwavering commitment to saving lives, even at the cost of his own.
Important Note:
The details of Superman and Doomsday's fight have been re-imagined and reinterpreted across various comic book iterations. The core elements remain consistent, but the specific details of the battle can vary depending on the story.