MTL - The Almighty Martial Arts System - ~ Chapter 26 I will help you out

Through an array of coincidences, Alex comes to learn that making pills is one of the best ways to earn money in the game, 'Eternal Cultivation.'

“God, please. If you are real, make my one last wish come true. Let me live.”When Callisto got diagnosed with an incurable genetic disorder at age 5, she was expected to live for only ten more years.With her life on its last leg, Callisto underwent an operation that has a one in a million chance of success called the Mutated DNA Fusion, granting her wish to live. However, the operation gave her more than what she wished for.With her black hair turned silver, cat ears overhead, and a tail from her behind, Callisto now has to live her life as a half-human and half-animal, a catgirl.

The end of all worlds approaches.

The Demon King Order harvests lives from all manners of living beings.

Within this darkness full of despair,
A single person escaped from space-time, returned to before the world collapsed, determined to change the fate of the past.

But as time pass, he gradually finds out that the Apocalypse isn’t quite as simple as he thinks…

- Description from novelupdates

Nolan transmigrated into the Marvel universe and became a researcher at Hydra's lab.He awakened the talent of the “Master of Research,” allowing him to perceive and comprehend all truths and knowledge. His body harboured the power of the Spirit of Evolution, capable of absorbing everything to enhance his strength!From the very start, he developed the Super Soldier Serum and that was only the beginning.By studying various extraordinary individuals, he unlocked their abilities and seamlessly integrated them into himself.“I will use science to recreate the gods of Earth and bring Superman into the Marvel universe!”Wolverine's healing factor?“Wolverine, you've already been dissected once. One more time won't hurt!”Super strength? “Hulk, don’t leave!”An iron body? Heat vision? The power that grows by absorbing sunlight? “X-Men, stop right there!”He will make the Ultimate version of Superman!