In the MCU/Marvel with the Omnitrix/Ultimatrix - Chapter 27: I want big green to be my friend

After an accidental death, in order to continue to live, Gu Bai had to choose to go through various wonderful books to complete tasks.

Every time he became a variety of small cannon fodder inside the story, Gu Bai’s code of conduct when completing task is – by all means, don’t be inferior, don’t be shameless, don’t be upright… hold on to a golden thigh.

… N times after transmigrating

Cannon fodder: (angry contempt) … You’re already so powerful, why are you still shamelessly holding on to a golden thigh to deal with us!?

Gu Bai: (deadpan) That… holding and holding… got used to it…

- Description from Novelupdates

Lin Jiang travels through the world of cultivation and obtains the Lifespan Check-in System.Check-in for a day, gain one year of lifespan.This nearly infinite lifespan allows him to live tens of thousands years, bearing witness to numerous lives passing by, their joy, grief, and everything in between.He has persisted from the Stone Age to the Cosmic Age and ranges from cultivation to science. He is there, always there, as the eternal guardian of mankind.(Not a dark and thrilling story, be cautious)

Just like how everyone adored heroes in their childhood, a certain young man adored those powers hidden in shadows. After hiding his strength and living the mediocre life of a mob character by day while undergoing frenzied training by night, he finally reincarnates into a different world and gains ultimate power. The young man who is only playing at being a power in the shadows, his misunderstanding subordinates, and a giant organization in the shadows that gets trampled…. This is the story of a young boy who had adored powers in shadows possibly eventually reigning over the world of shadows in another world.

The world-class online game launched by the United Nations in 2020, Tianlin, is officially launched at the same time in all countries of the world.

Su Ye was born again from 2025 to 2020, and he kept all the main developments in the past five years.

What? You only have a black iron weapon, I have a bronze suit.
What? The gold level of your pet, sorry, my god is a pet!
What? A bottle of pharmacy 1 gold coin is too expensive, the boss gave me ten barrels!

Su Ye Li Zhi: Since you are born again, you have to be the strongest player!

- Description from uukanshu (translated)