Matthew 17:10
"And his disciples asked him, saying, Why then say the scribes that Elias must first come?"
Cross References (ranked by relevance)
Matthew 11:14
And if ye will receive it, this is Elias, which was for to come.
John 1:21
And they asked him, What then? Art thou Elias? And he saith, I am not. Art thou that prophet? And he answered, No.
Mark 9:11
And they asked him, saying, Why say the scribes that Elias must first come?
John 1:25
And they asked him, and said unto him, Why baptizest thou then, if thou be not that Christ, nor Elias, neither that prophet?