(Capcom's primary storyline)
Biohazard 4 was a film released some time in 1998. It was being screened in Raccoon City at the time of the outbreak. A poster for the film can be found above the theater next to Grill 13 restaurant.
The name is a reference to Resident Evil 4, which was going through pre-production at the time. This game later became Devil May Cry.