The Sword Spirit's Journey Through Marvel

After a car accident, Xiao Han transmigrates to the Arad Continent, becomes a Ghostblade, and sets out on the Sword Master path in pursuit of the ultimate swordsmanship. Years later, during a duel of swordsmanship with Soderos, the immense force of their final strikes shatters space, and Xiao Han is accidentally sucked inside.

Seeing the skyscrapers before him, he is overjoyed, thinking he's made it back.

But then there's Iron Man flying through the sky, the Hulk smashing things all over the place, Thor swinging his hammer, and so on...

Xiao Han can only look up at the heavens and roar: “Damn you, fate! Are you messing with me?!”

This book's worldbuilding is based mostly on the Marvel Cinematic Universe.