Stage 0: Mangekyo Sharingan (right eye) (Kamui), incomplete Hashirama cells, and more
Stage 1: Ten ordinary three-tomoe Sharingan (in jars), Hashirama cells, the Demonic Statue of the Outer Path, and more
Stage 2: Rinnegan (left eye, incomplete), summoned beasts: XXXX, enhanced Hashirama cells, chakra sources of the Nine Tailed Beasts, and more
Stage 3: Rinnegan (right eye, incomplete), enhanced Reanimation Jutsu, and more
After Obito crumbled to ash, he found himself in a world of American comics. For unknown reasons, he gradually regained and strengthened his former powers, then rebuilt the Akatsuki. That's the story.
Current organization executives: Obito [Zero Burial], Flash [Azure Dragon], Venom [Void Chen], Otherworldly Deathstroke [Southern Dipper], Black Death [Northern Dipper], Enhanced Swarm [Three Stars], Phoenix [Jade Maiden], Zetsu [Black Tortoise], Wanda [White Tiger], Ultron [Vermilion Bird]
[This story features Marvel and DC. Some species and characters will be based on the comics rather than the movies and TV adaptations, and they may also change due to various crossovers.]