In the MCU/Marvel with the Omnitrix/Ultimatrix - Chapter 41: The Gratitude Of Thor Odinson

The ill-fated high school student Liu Yuan obtained the inheritance of the top civilization in the universe and changed his own destiny. He also used many powerful technologies in the inheritance to lead the Chinese nation to rise in the universe.

- Description from novelbuddy

In the third year of the Kaihuang era, as the Great Sui began to unfold between the fall of the Northern Dynasties and the rise of the glorious Tang Dynasty, Emperor Yang Jian created the House of Blades – an intelligence agency for strategies and conspiracies – in preparation to unify the world.

On a snowy night, a convoy of tribute from the Kingdom of Khotan was raided. Not one soul survived the attack. Feng Xiao, Second Commandant of the House of Blades, was ordered by the Emperor to investigate the matter in person.

On the distant border, a storm brewed as major forces gathered from all sides in Liugong Town. The strong rubbed shoulders with the strong; the skilled crossed paths with the skilled.

Here, the ever-successful Second Commandant Feng ran into a wall for the first time – all because of a feeble Taoist priest with ailing health.

Some things would never be known if no fights were ever picked. Only through their skirmishes did Feng Xiao realise that this sick bastard seemed to have way more aliases and personas than he himself ever did.

- Description from Novelupdates

Thomas Lowe was destined for a life of mediocrity as he worked a dead-end job in rural america. But fate seemed to have other plans for him. One card changed everything. A power beyond imagination. A prophecy that put him in the crosshairs of Ancient Clans and Noble Houses that have existed since the dawn of the first era.The name of that card was....

What got summoned was the world’s strongest sociopath.