super hero movie someone shot pearls on ground in the beginning

Three inept night watchmen, aided by a young rookie and a fearless tabloid journalist, fight an epic battle to save their lives. A mistaken warehouse delivery unleashes a horde of hungry vampires, and these unlikely heroes must not only save themselves but also stop the scourge that threatens to take over the city of Baltimore.

In a gritty and alternate 1985, the glory days of costumed vigilantes have been brought to a close by a government crackdown. But after one of the masked veterans is brutally murdered, an investigation into the killer is initiated. The reunited heroes set out to prevent their own destruction, but in doing so they uncover a sinister plot that puts all of humanity in grave danger.