Marvel : Kryptonian phoenix

Not a fanfic about a lucky guy and a ROB.
Not a System OP with Anime shop or a Statut.

Synopsis :
A man with simple pleasures, finds himself in a world he knows a little about, a world he had until now considered imaginary. A friend of the sun and the reborn fire, he will venture into this challenging world, facing the greatest trial of all: striving to remain, to the best of his ability, the human he once was.

Story in Marvel World Only, just the power of the MC from one piece and DC.
Long chapter 2500-3000 word.
AU with 90% elements of MCU, 5% of Comics, 5% of Marvel Modified elements for facilite the story.
The story is mainly at the first person .