Does the Bible actually tell us there are many gods? That would make more sense given God's prohibition against worshiping other gods... [Spirituality & Religion]
Here's a section of a youtube video on the nephilim talking about this idea with reference to older sources that appear to indicate that the god of Abraham was not the only god and possibly not even the creator god. Have a look if you've got a moment. It's quite interesting.
If the link isn't automatically skipping, go the 16 minute mark to reach the relevant material.