“Kung Fu Panda 4” earned $30 million in ticket sales, according to studio estimates. “Dune: Part Two” took second place in its third weekend in theaters with $29.1 million, while newcomers failed to break $10 million. The fourth installment, playing in 4,067 locations in North America, has already made $107.7 million domestically. There were several new movies arriving in over 1,000 theaters this weekend.