MTL - Little Madman’s Guide to Acting Good - Chapter 68

A soul is reborn in Ancient Greece as the twin brother of Herakles(Hercules).This is an age of myths, monsters and gods.After a betrayal that sets Iphicles on a path of vengeance, his name will become synonymous with divine defiance. Gods, Demons, Monsters...he cares not. All will fall at the hands of the Demi-god Twin.

Su Yao passed through and traveled to the Marvel world to become a mutant. He was still in the experimental base. He expressed a little panic…

Fortunately, at the critical moment, the mutant ability ‘imitation’ was awakened to imitate the opponent’s ability!
…
Imitation object→Orochi (title: Sun God, Will of the Earth)
Imitation object→Wanda (title: Scarlet Witch, owner of chaos magic)
Imitation object → Sun God…
…
Professor X: “We must find him as soon as possible and guide him to control his power to avoid causing irreparable disasters!”
Magneto: “You are my child???”
Thor: “Brother?”
Loki: “?”

- Description from novelbuddy

To save a doomed fantasy world, I killed the main characters, then destroyed the game world, and fell into another timeline as the academy's top seat and rival to the protagonist.Now, I'm trying to save the world and steer it towards a better ending…But I'm the final boss.