Glory of Heracles (Nintendo Cinematic Universe)

Glory of Heracles is a Japanese graphic novel series.

Legend of the Fighting Demon's Lair
A young Heracles seeks to rescue Venus from captivity in Hades.

Titan's Downfall
Heracles is a legendary hero now and one of the Titans' offspring has declared himself to be the Prince of Darkness.

Legend of the Fighting Demon's Lair

 * Venus is kidnapped by Hades and his forces, imprisoning her in the underworld.
 * Heracles is tasked by Olympus to rescue Venus.
 * Hades also plans to cover all of Greece in darkness.
 * Heracles defeats Hades, rescuing Venus and saving Greece.

Titan's Downfall

 * Cronos attempts to control Greece.
 * Hero is chosen by Zeus to stop Cronos.
 * Heracles decides to join Hero on his journey.
 * Hero defeats Cronos and saves Greece.

Legend of the Fighting Demon's Lair

 * Based on Glory of Heracles: Legend of the Fighting Demon's Lair.

Titan's Downfall

 * Based on Glory of Heracles II: Titan's Downfall.