I can’t remember the title of the movie but I remember the ending scene, I remember the people being scientists and they were in a cave. They also had a type of metal containers to go thru the cave, all I can remember is there were 2 left and they were being chased by a creature, the man sacrificed himself so the woman can live but when she make sure it outside she is killed by people that were waiting outside, they looked like government officials or something, then after that it shows a quick scene of a little stream leading out the side of the cave and I think something or someone is formed form it