A: No. Despite the open ending, Netflix has not announced Spectral 2 . The dual audio Hindi version of the original remains the only installment.
When the military fails to stop these "Apparitions," Clyne is pulled out of his lab and thrown onto the front lines. He discovers that these ghosts are not supernatural, but rather "quantum entanglement" accidents left over from a failed energy weapon. The race is on to stop the ghosts before they wipe out humanity.