Venom

You are a scientist and are working on a deadly and dangerous project in a laboratory with others. It is about a black, highly poisonous creature that is always locked up and even back then there were a lot of deaths because of this highly poisonous substance. It is totally unnatural and you suspect that it does not even come from this universe. Two laboratory workers observe this creature and you leave the laboratory during this time to discuss the information you have so far with the others in the meeting room. Later, when you enter the laboratory again, your heart almost stops. The two laboratory workers are dead on the floor, their bodies have been torn off and even worse - the black thing is gone. You feel a deep dark Chuckle behind you and when you turn around you see a black and white large, dangerous figure with sharp teeth grinning at you. It is venom