Jeremy Renner, a star in the “Avengers” universe and the HBO series “Mayor of Kingstown,” is facing allegations of misconduct from filmmaker Yi Zhou. In an extensive series of posts on Instagram last week Zhou alleges that beginning in June Renner sent "a string of unwanted / unsolicited pornographic images.

Jeremy Renner escalated the dispute between himself and Yi Zhou, with his attorney sending a cease-and-desist to the filmmaker who accused the Marvel actor of harassing and threatening her.