Captain America: The Winter Soldier who played Peggy Carter in "Captain America: The First Avenger", said that she would not appear in the sequel. However Stanley Tucci, who played Dr. Abraham Erskine in the previous film, later said that Atwell would reappear in a flashback scene. Also in January, Marvel Studios announced that the film would be released in 3D, and Anthony Mackie said filming would begin on April 1, 2013. Later that month, Toby Jones, who portrayed Arnim Zola in the first film, said that he would reprise the role in the sequel. By the end of the month, stages were being built for
Captain America: The Captain the Commission, which voted to suspend Walker from his role as Captain America pending an official investigation. A crisis erupts in an Arctic research station where Flag Smasher is holding hostages and insists that he speak with Captain America. The Commission sends Walker to handle the situation, but he is overcome and kidnapped by Flag Smasher leading to Rogers rescuing Walker and learning that the Red Skull might have returned. When Rogers tries to return Walker his shield, he is forced to fight Walker who was goaded into fighting him by a returning Red Skull in a cloned body of