LOS ANGELES – Audiences were in the mood for some fatal attraction action at the box office. Beyonce Knowles and Idris Elba's "Obsessed" debuted as the top weekend movie with $28.5 million in ticket sales. The Sony Screen Gems thriller stars Knowles and Elba as a couple whose ideal marriage lands on the rocks after a psychotic temp played by Ali Larter begins stalking the husband.The strong opening for "Obsessed" helped maintain Hollywood's hot streak, with overall revenues at about $112 million, up 23.5 percent from the same weekend last year, according to box-office tracker Media By Numbers.The busy summer season starts Friday with 20th Century Fox's spinoff "X-Men Origins: Wolverine," starring Hugh Jackman in the title role he played in three "X-Men" blockbusters.Studios head into summer on a box-office tear, with receipts running at a record pace. Revenues for the year are at $3.06 billion, up 17.4 percent over last year. Factoring in higher ticket prices, movie attendance is up 15.7 percent."We have never been in this strong a position heading into the summer season, ever," said Paul Dergarabedian, president of Media By Numbers.