MTL - Marvel: Start with Summoning the Shadow Troopers - Chapter 161

When Isaac opens his eyes, he finds neither eternal rest nor peaceful reincarnation... but a descent into hell. He wakes up in a world identical to his own, except for one terrifying detail: portals filled with monsters are popping up everywhere, and if no one stops them within three days, the apocalypse is upon us. Here, only enlightened hunters - graded from F to SS - have the power to confront these nightmarish creatures. The problem? Isaac is an F-rank, an orphan with no future, condemned to survive in the shadows of the strongest.But one night, everything changes. His spirit is torn from this world and plunged into another, a veritable hell where humanity is no more than a herd of slaves under the yoke of dragons. Tortured and broken, Isaac soon understands one thing: this other world isn't just a nightmare... it's a warning.As he fights for his life, a miracle occurs: an enigmatic system enables him to steal the power of the monsters he slays.[*Ding* Would you like to absorb the physical stats?]Weak yesterday, predator today, he has but one goal: to unravel the mysteries of both realities and crush those who would see him fail.With a katana in hand and a secret burning in his soul, Isaac refuses to be a victim. If he wants to survive, he has only one option: become the ultimate hunter... before history repeats itself.

Lin Wu was a university student that died after having one too many energy drinks and then reincarnated into the body of a worm. He awakens to find out that he now has a system, but even it doesn't have a clear idea of where they are.

He comes out of the ground and discoverers that he’s no longer in his previous world but rather in a cultivation world.

Witness Lin Wu’s journey as he worms his way to the heavens from a tiny worm crawling in the ground.

I have clairvoyance, and I can see antique treasures no matter where they are hidden. Is there anything else in the world that I can’t go to?

- Description from novelbuddy

In his past incarnation, Lu Xuan was the youngest Celestial Lord that the universe has ever seen!
An accidental rebirth brought him back to a thousand years before, where the Earth had just begun its spiritual reawakening. When he stepped onto the way of cultivation for a second time, he swore to rewrite all injustices suffered in his past life, and defeat all enemies that dare stand in his way!
Let invincibility be his cultivation and the path he treads. In this life, it is his destiny to be invincible!