Answer:
Edgar Allen Poe creates suspense leading up to Fortunato's inevitable death by stopping every few miles down into the tomb if Fortunato wanted to turn back and leave.
He also hints to Fortunato's death in the beginning when the narrator says that he is going to teach him a lesson, and make him pay for what he has done.
He hints to Fortunato's death by cracking open wine and talking about the friendship that they obviously did not have.
