Ryan Coogler's rule-defying 'Sinners' boasts the smallest second-weekend drop for any film opening north of $40 million since 2009's 'Avatar' and the smallest ever for an R-rated horror pic.

Sinners” towered over the box office again, scoring a mighty $45 million in its second weekend of release. Ticket sales declined a mere 6% from its $48 million start, making “Sinners” the rare film with a sophomore outing that nearly matched its debut.

"Sinners" is the No. 1 movie in North America for a second weekend, earning an additional $45 million in receipts this Friday through Sunday, BoxOfficeMojo.com announced.