“And He said unto them, ‘These are the words which I spake unto you, while I was yet with you, that all things must be fulfilled, which were written in the law of Moses, and in the Prophets, and in the Psalms, concerning Me.’ ” Luke 24:44
Jesus spoke the above words after walking with a couple of His followers to Emmaeus. He has at this point been seen by others who are His followers, and reminds them of the importance of His life, His ministry and His death, burial and resurrection.
When Jesus speaks of the “law of Moses”, “the Prophets”, and “the Psalms” He is speaking of the whole Old Testament, and every prophecy which was written.
There are many prophecies of Jesus that have not been fulfilled. We can rest assured that since the prophecies of the first coming of Messiah are fulfilled, and He died just as the prophets said (consider Isaiah 53), then we can know and be assured that those concerning His coming again will be fulfilled in every detail.
All things must be fulfilled just as it has been spoken.