It's Not Easy to Be a Man After Travelling to the Future (WN) - Chapter 1431 - The 7th Preserve Distric

An ordinary student accidentally traveled into an other universe and became the king of a small kingdom. He had gotten a “Cheating Code” of life and was able to complete something extraordinary. This is the story about a king that was able to conquer continents and leave behind him an ultimate legend that will be recited between every generation to come.

- Description from novelupdates

A college student, accidentally reborn into the world of Naruto, becomes a member of Uchiha who is destined to be exterminated.

In this cruel ninja world, in the face of endless wars and exclusion from the village, what will Uchiha Qing do?

PS: Later in the book, the protagonist will develop a system of immortal cultivation. Cultivating Immortals in the Ninja World, have you seen it?

- Description from novelbuddy

Born into a wealthy family, Gu Shenwei was spoiled and carefree. However, at the age of 14, his entire family were brutally murdered, and he was caught by some bandits who sold him into slavery. As a slave boy, he entered Golden Roc Fort by chance and found the man who had slaughtered his family. He endured insults and worked hard to improve his kung fu while working as a slave boy. He learned from and plotted against his enemy under the enemy’s nose. He became increasingly ambitious as he became more and more powerful. He would only be satisfied if he completely destroyed his enemy—by fair means or foul. Gradually his bitter experience turned him into a totally different person.

This is a kung fu fiction that is full of mysteries and surprises. This is a story dealing with love, betrayals and distances. This is the journey of an ordinary boy who, against all odds, fought against formidable foes. This is a tale regarding a person who felt abandoned by the world made unremitting efforts to create a new world of his own, in which he was alone.

- Description from Novelupdates

From Man of Steel to Silver Superman.

Study the symbiosis for Iron Man, and bring back the little Morgan from the zombie universe.

Thanos of the Family Planning Office by hand, the comic version of the old Thanos. Even big-headed doll space watchers have to ask me for help.

As for Infinity Gems Ultron? Can’t survive two chapters of e-waste.

The blackened Clark, the unknown black robe, the Celestial Group, and the Time Management Bureau fought all the way with their fists.

Many years later, Lin Feng held the Cosmic Cube in his left hand and the Fire Seed Source in his right.

What? Why do you say these two things are humanoid?

Hiss… It’s a bit long to say this…

- Description from novelbuddy