"Reagan," a biopic starring Dennis Quaid as the 40th U.S. president, was the only new release competitive with holdover films that opened earlier this summer.
Marvel returned to Comic-Con with dancing Deadpool variants and a choir for a panel that included news about the next two "Avengers" films and surprise guests.
Marvel Studios is returning to San Diego Comic-Con for its iconic Saturday night panel, which is expected to feature big announcements and surprise guests.