A Guide to Transmigrating Across the Heavens

A modern young man unexpectedly gains the ability to transmigrate across the heavens, and grows stronger step by step by making use of it.

In My Superhero Girlfriend, he gains Superman's powers;

In Mahou Sensei Negima!, he gets a head start on the protagonist and obtains a pseudo-reality-warping ability;

In I'm a Great Wizard, he gets god-level magic power for free;

In Kung Fu Hustle, he finds the old beggar and gets martial arts manuals;

In Kung Fu Vs. Acrobatic, he gets an expired Great Restoration Pill;

In Laughing in the Wind, he gets metronidazole and astemizole, multiplying his inner power a thousandfold;

In Megamind, he obtains a superpower serum, further strengthening his Superman-like powers;

In Jackie Chan Adventures, he gets knowledge of qi magic and the eight great demon magics, among other things;

The worlds are separate and unrelated. So far, the worlds featured are Tiga, Soul Land 1, NieR: Automata, Marvel (film version, adapted), Swallowed Star, Super God Academy [invincible], Shrouding the Heavens, and Lord of the Mysteries (currently underway).