Downtown is again gearing up for the ghosts, goblins and superheroes that will be looking for treats Oct. 31. Merchants and business owners are joining together to offer a safe alternative for youngsters.The event, called Trick or Treat on Main Street, goes above and beyond, including businesses on Morford Street, Spring Street, Sparta Street and S. High Street. Hours are 10 a.m. to 5 p.m.“Trick or Treat on Main Street is a much-anticipated downtown event that adults seem to look forward to as much as kids,” said Carla King, Main Street McMinnville executive director.