The Food of the Gods
is a horror film from the year 1976. It was directed by Bert I Gordon
, so it naturally has people fighting against (badly done) giant things.
Loosely based on a H. G. Wells
novel The Food of the Gods and How It Came to Earth
the film follows football player Morgan who, on a trip with his friends to an island near the British Columbia, encounters giant wasps which kill one of his friends. He later discovers that the insects got huge due to a weird substance which is bubbling from the ground and any offspring of whichever eats it will grow into giants. Unfortunately, rats have eaten the stuff and their litters are also growing into unusual sizes....
In 1989 the film got an In Name Only
sequel Food of the Gods 2
Munch on these examples: