My girlfriend(15) got pregnant and her parents are threatening me?

shes 15 and im 16 . she got pregnant and i suggested to tell her parents because i thought it was necessary to talk to some adults. she told them and a day after her dad came to me with a gun.he told me that his daughter was going to abort and if i had anything against it,he was going to kill me. i know we're young but i want her to keep the baby . and i know im a player but deep deep im a good person and i think im going to be a good dad too. need help