This sounds like the first "Hercules" movie with Lou Ferrigno. And if you think this one is bad, then watch its sequel "Hercules II" aka "The Adventures of Hercules." This one comes off like "Citizen Kane" compared to its sequel, which (IMHO) has to be one of the worst movies I've ever had the misfortune to see. Just rancid.
I loved THE ADVENTURES OF HERCULES! Very hilarious. A terribly made movie, true, but lots of fun.