According to Geekosity, the MCU plans on bringing Daredevil into the Avengers. They want Charlie Cox to continue as Daredevil if it is possible. There is a has a waiting time with the Netflix hold before Cox could reprise the role. There is always a timing issue with other roles Cox may have.
Kevin Feige stated that he really wants Cox to return. He feels like Cox was made to play the role of Daredevil, The Man Without Fear. What Feige wants usually happens.