During Hallow's End, WoW toons enjoy putting on costumes.
Burn (my NE Druid) is dressed as Iron Man, and my buddy Harvist is dressed as Captain America. Was going for an Emerald Dream feel in the background, combining Azeroth and Earth. (I kinda suck at backgrounds. Workin' on it.)
World of Warcraft things c. Blizzard
Avengers things c. Marvel