The Retired Hero is an Extra - Chapter 165 - : Crowning Champions

Fifty years ago, Dragon City transmigrated to the Other World. Alone in the world, they lifted the banner of Earth’s civilization and fought against the terrifying forces of the Other World.

Ye Hai traveled to the Marvel Universe, with a large scientist system, and IQ completely exploded all Marvel superheroes and rebels.

     “What is Iron Man? His steel suit is all my cottage! Tony, I seriously warn you that you have to pay me patent tax!”

     “The Hulk’s stuff is harassing me again, isn’t it just turning your ass red? But I have solved your problem of getting out of control, and a little sequelae should be.

     “Captain America, don’t always show off your shield, your shield is not unusual, I can mass-produce it!”

- Description from b faloo

Ryouma Takuma, a 39 year-old man with a hidden past, finds himself in a strange white room. There the gods tell him that he has died and that they are sending his soul to a different world; a world where magic exists. After living alone for three years his gamer soul loses common sense and starts toward crazy routes.

Follow Chen Ming as he accepts disciples, establishes a sect, and fights his way in a world that deems him a cannon fodder.
He goes against any common sense using his wits and novel knowhow to finish missions and arm himself against his cruel fate.

- Description from Novelupdates