Other

During the  battle against Kaguya Ōtsutsuki, Kakashi Hatake of the Sharingan, the Copy Ninja of the Hidden Leaf, the man who knows thousand jutsus and the son of the White Fang, is caught in a dimensional rift caused by his Kamui clashing with Kaguya’s portal and a multiversal fracture triggered by Dormammu’s battle with the Ancient One.
    Kakashi is thus transported to the Marvel Universe.
    Kakashi finds himself in a new world. and to his surprise, Obito's final gift his Sharingan has mysteriously integrated into his body, free of its former chakra drain. with no way to go back to his home, he decides  to live freely in this new world.
    -- Kakashi would join Avengers in time
    -- No other Naruto character would be part of this story except Pakkun
    -- Kakashi has both the Mangekyou sharingan.
    -- There would be romance but harem is unlikely.
    -- Not a translation, Original
    -- All rights belong to Marvel and Naruto