Amazon is making aLord of the RingsTV show, but it isn’t a straight adaptation of the greatest fantasy series of all time — it’s a prequel. The show, which already carries a multi-season commitment, will “explore new storylines preceding J.R.R. Tolkien’sThe Fellowship of the Ring.” Of course,The HobbitprecedesFellowshipby many years, but that story was tainted so ably by the absurd …