I think the mixed reaction to Tooth Fairy and especially Bride shows what a bad idea this is. Look at my NPS ranking of the houses, or just look at the wait times. A lot of fans rejected both as "been there, done that." The dada-esque nature of HHN has always been one of its top, unspoken selling points. Haunted Mansion has sat there for 50 years--as an HHN guest, you are one of the lucky few to experience 10 E-tickets that will cease to exist forever come November. @LuckyPlanet nailed it: