Captain America: Brave New World has a controversy that’s decades in the making, yet is being fueled by current events.

The film stars Anthony Mackie as Captain America and Harrison Ford, making his Marvel Studios debut taking over the role of U.S. President Thaddeus Ross from the late William Hurt. The first trailer was released early Friday and is overall winning raves from fans.

But a supporting character seems destined to be an inadvertent lightning rod, and there are calls to boycott the film, sight unseen. Emmy nominee Shira Haas (Unorthodox) plays Ruth Bat-Seraph, an Israeli former Black Widow who is now a high-ranking government U.S. official.

The character’s backlash stems from her original incarnation in the comics. Ruth was formerly known as Sabra, who served as a Mossad agent. Some who are pro-Israel have an issue with changing the character’s allegiance to a U.