Absolutely Do Not Touch Eldmia Egga - Chapter 83

The world of Wageah was vast. It was filled with ancient magic, fallen gods, legendary mages, and exciting adventures.Earthlings summoned there gained godlike power.Zeus, Odin, Count Dracula, the Monkey King. All of them were humans who returned from Wageah and became legends on Earth.But my class and I, who were summoned to Wageah?We were enslaved.We were used, discarded, and left to die.But fate gave me another chance.I woke up as a newborn on Earth with all my memories intact. And soon after…[Awakening Supreme God's Treasure: Shadow][System Boot Successful]I gained strongest weapon in existence. [Shadow]. The treasure of the Supreme God.This time, I’ll grow stronger from the cradle. And when I return to Wageah—I won’t be a slave.I’ll be the shadow that devours the gods.

Coming from the modern era, she was sent to a strange world. The body she possessed previously belonged to a young woman whose family was thrown away by their clan. However with the “Dan Fu Zong”, the inheritance from her old world, she steps on the path of cultivation, hoping to one day become an immortal.

- Description from Novelupdates

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

After an unexpected death, a soul finds itself reincarnated into the body of Itsuka Shido, an ordinary teenager in a world filled with powerful spirits, magic, and dangers from other dimensions. With the help of a mysterious system integrated into his body, Shido gains the ability to travel across worlds, summon legendary anime characters, and unlock a wide array of random skills and abilities.Disclaimer: The cover isn't mine, credits to the original artist.