Following the season finale of ‘The Falcon and the Winter Soldier’ we are getting word that Marvel is in the process of developing Captain America 4. According to The Hollywood Reporter, a screenplay written by Malcolm Spellman is currently in the works. Spellman is the head writer and creator of The Falcon and the Winter Soldier. official casting has not been released, but expect Anthony Mackie to return as Sam. Staff writer Dalan Musson will also be assisting with the forthcoming film.