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 First Avenger assassin avoids interrogation by committing suicide with a cyanide capsule. With Erskine dead and his super-soldier formula lost, U.S. Senator Brandt has Rogers tour the nation in a colorful costume as "Captain America" to promote war bonds while scientists study him and attempt to reverse-engineer the formula. In 1943, while on tour in Italy performing for active servicemen, Rogers learns that Barnes' unit was MIA in a battle against Schmidt's forces. Refusing to believe that Barnes is dead, Rogers has Carter and engineer Howard Stark fly him behind enemy lines to mount a solo rescue attempt. Rogers infiltrates the fortress