So correct me if I'm wrong, but are you suggesting it be changed from 'Trick or Treat' to 'Trick or Trick'?
Is the timer for the door reset too long for you, and that's what you'd like changed?
Have you tried hotels in Paragon City during the Halloween event? Warehouse doors in Granville for CoV. Dunno about goldside, but those are great sites for teams or solo multi-box.