For the first time since Avatar in 2009, Black Panther has clung to the top of the Stateside box office for a fifth weekend, seeing off the likes of Tomb Raider . The superhero smash has made more than $27 million this weekend, according to studio estimates. And Marvel's latest success story has hit another milestone, becoming only the seventh film ever to gross more than $600 million at the domestic box office. With its overseas takings, the movie has now crossed more than $1.1 billion. Tomb Raider could only manage $23.5 million in treasure found from audiences, earning it a second place launch. Will it go on to spawn a franchise, as Warner Bros. might hope? That will have to wait for its full takings figures to come in. More successful (especially in terms of budget vs. return) was faith-based drama I Can Only Imagine , which started its chart run in third $17 million, off the back of a $7 million budget. Slipping a couple of places to fourth, A Wrinkle In Time picked