In the American Godzilla , They kill it and at the end we all know the egg and all that stuff. so The guy might have been like Its alive because he thought godzilla was Dead, and They could have Borrowd the rights to the godzilla movie, people can do that, if the pay enough and judging by the effects this ia a high budgit movie so the could have borrowd the rights, Plus it makes so much sense and thats almost exactly how Godzilla sounds