PALO ALTO, U.S./TOKYO -- As Japanese cinemas enjoy the box office windfall of a Demon Slayer franchise smash hit, a certain cartoon mouse threatens to play villain and spoil the fun.
Business model threatens to dent box office revenues at home and abroad

The Disney+ online platform is where movie fans will catch the premiere of "Soul," an animated film initially slated for theatrical release. (Photo by Emi Sato)
PALO ALTO, U.S./TOKYO -- As Japanese cinemas enjoy the box office windfall of a Demon Slayer franchise smash hit, a certain cartoon mouse threatens to play villain and spoil the fun.