These labors in many instances involved Hercules fighting monsters, and there is a possibility others were kaiju as well. A classic kaiju gets a new origin in Godzilla: Here There Be Dragons II ...

The actor who will take on playing Greek hero Hercules in a musical adaptation ... the “full on spectacle”, including the elemental monsters of wind, ice, fire and mountain, called Titans ...

Out of the blue, the villager Pithus arrives asking for help to Hercules to defeat monsters that are attacking his distant village. Hercules travels with Iolaus to fight the monsters and soon they ...