Escape Through Time (1993)

Some time in the 21st century Kovarick said to be the most evil man who ever lived is met by a resistance force One of their members Dr Bahler invents a time distorter held within a ring which he uses to go back to ancient Egypt where he dies 75 years before he left the ring is found by scientists who are killed by a small mafia group but not before it is thrown to a bum who pawns it for fifty cents