The phrase encompasses attire inspired by the superhero team known as the Fantastic Four, specifically designed for the Halloween holiday. These ensembles allow individuals, often groups, to embody the likenesses of Mister Fantastic, Invisible Woman, Human Torch, and Thing through clothing and accessories. A family might choose these outfits to participate in trick-or-treating while representing the iconic Marvel characters.
The significance of such thematic outfits lies in their ability to foster group identity and shared enjoyment of popular culture. The enduring appeal of these characters provides a readily recognizable and engaging theme for festive occasions. Historically, dressing as superheroes has been a prevalent element of Halloween celebrations, reflecting the broader cultural fascination with heroic narratives and extraordinary abilities.