I should clarify, these are really monotheistic religions for the most part. God is till God, but has many many helpers.
Though some, such as the LDS Church, are henotheistic of sorts, meaning that there is one supreme worshipped God, but other beings that may be called Gods (due to God exalting these other beings) for example, Abraham, Michael (Adam) Noah (Gabriel) or Moses, who, in that faith, have all (IIRC, not entirely sure about Moses) been exalted. This is, however, not the same as ascending to heaven, as contrary to popular belief, none can enter heaven until Christ's return. The Book of Revelation makes this blurry, but in Christendom, it is false doctrine that souls can enter heaven before the judgement.
But anyway, I don't know that I believe in any of this.
Epstein didn't kill himself.