Summer signing Leandro Rodriguez is set to make his debut for Everton in the Capital One Cup third-round tie against Reading (8pm kick-off).
Striker Rodriguez is in the squad after impressive displays for the under-21s.
“I think he is ahead of his development in terms of what I expected,” said Martinez of his summer signing this week.
“I expected for him to probably take five to six months to be ready for the British game.
“I have been very impressed with him not just in training but the games for the under-21s, where he has scored in both games.
“He has shown an incredible street footballer’s way of playing the game which has probably helped him to be ahead of the problem we expected.
“He will be involved, he’ll be in the squad and then it will be just down to the needs of the game and how everything goes whether we see Leandro or not.”
Everton forward Kevin Mirallas will miss the tie at Reading as he begins a three-match suspension.
Winger Gerard Deulofeu is set to come into the side but defender Seamus Coleman and midfielder Muhamed Besic are unlikely to be risked after missing the goalless draw with Swansea at the weekend through injury.