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During the TCA (Television Critics Association) press tour today, IGN joined a small group of journalists to chat with Captain America: The First Avenger/Captain America: The Winter Soldier screenwriters Christopher Markus and Stephen McFeely about returning to write the third film, Captain America: Civil War (and their TV series Agent Carter, but more on that later).

Naturally, with Marvel’s formidable secrecy, there were few specifics they could give on the film, which — like the comic book story it’s based on — will involve Captain America and Iron Man at odds with one another. However, they did touch on the Black Panther casting, the relationship between Tony Stark and Peggy Carter, balancing the Civil War comic storyline with the Marvel Cinematic Universe and the film’s tone.

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