Russell Mulcahy's The Shadow couldn't decide if it wanted to be serious and faithful or campy and goofy. It's just good enough to make me hate it with a foaming-at-the-mouth passion (PENELOPE ANN MILLER AS A PSYCHIC MARGO LANE, YOU F***WITS??!??2 BLARRRRRR), but at least yet another crappy movie gave us yet another…