Prophecies of Christ: List of Prophecies Jesus Fulfilled
Forerunner in spirit of Elijah Matt 3:1-3, Matt 11:10-14, Matt 17:11-13
Mat 3:1 In those days came John the Baptist, preaching in the wilderness of Judea,
Mat 3:2 And saying, Repent ye: for the kingdom of heaven is at hand.
Mat 3:3 For this is he that was spoken of by the prophet Isaiah, saying, The voice of one crying in the wilderness, Prepare ye the way of the Lord, make his paths straight.
Mat 11:10 For this is he, of whom it is written, Behold, I send my messenger before thy face, which shall prepare thy way before thee.
Mat 11:11 Verily I say unto you, Among them that are born of women there hath not risen a greater than John the Baptist: notwithstanding he that is least in the kingdom of heaven is greater than he.
Mat 11:12 And from the days of John the Baptist until now the kingdom of heaven suffereth violence, and the violent take it by force.
Mat 11:13 For all the prophets and the law prophesied until John.
Mat 11:14 And if ye will receive it, this is Elijah, which was for to come.
Mat 17:11 And Jesus answered and said unto them, Elijah truly shall first come, and restore all things.
Mat 17:12 But I say unto you, That Elijah is come already, and they knew him not, but have done unto him whatsoever they listed. Likewise shall also the Son of man suffer of them.
Mat 17:13 Then the disciples understood that he spake unto them of John the Baptist.

Prophecies and where God spoke in the Old Testament that was fulfilled in Old Testament: List of OT Prophecies
TBD Behold, I will send you Elijah the prophet before the coming of the great and dreadful day of the LORD:

New Testament references to the Old Testament: List of NT references to OT
Matt 17:10-11
Mat 17:10 And his disciples asked him, saying, Why then say the scribes that Elijah must first come
Mat 17:11 And Jesus answered and said unto them, Elijah truly shall first come, and restore all things.