Marvel: Start With Pichu

Pixiu wakes up to find himself in the Marvel Movie Universe, transformed into a cute mouse Pokémon, Pichu.

Start an evolution system, starting from Pichu, and start infinite evolution.

then……

Thor: "My God, Father, save me, this strange Midgard rat is going to suck me dry!!!"

Tuo*: "Oh! Pixiu, how is your body constructed to hold such a huge amount of energy? Can you let me study it and give you ten Ark reactors."

Braised Egghead: "My God, how can you suck so much? You can suck up enough electricity to run New York for a day in just one hour!"

And the King of God of a certain world: "Asshole, who the hell stole my lightning rod?!"

One day Pixiu suddenly looked back, and suddenly found that he had become the most beautiful mouse in the Marvel universe.