Studiocanal’s Amy Winehouse biopic “Back to Black” debuted atop the U.K and Ireland box office with £2.77 million ($3.4 million), according to numbers from Comscore.
It was neck-and-neck for the second spot. Entertainment Film Distributors’ “Civil War,” directed by Alex Garland and starring Kirsten Dunst, debuted with £1.82 million, including previews. In its third…