Belial is an antagonist in the TV show Future Constantine. She is played by Scarlett Johansen.
Belial possessed Jack Constantine's sister Michelle, Jack attempted to exorcise her but it ended in Michelle's death, a mistake that would haunt Jack for the rest of his life.
When Jack died from lung cancer Belial would be the first one to welcome him to hell. While Jack was there she would torment him by constantly attempting to kill him and reminding him of Michelle's death. Later she attempts to open a portal in hell so demons may escape.