The Batman movie from Warner Bros. is on track to sell US$43.8 million worth of admission tickets this weekend, for a three-week total of US$394.9 million.

"The Mummy: Tomb Of The Dragon Emperor" had a strong opening, as the Universal picture premiered with US$42.5 million in estimated sales.

"Step Brothers" and "Mama Mia! The Musical" had strong staying power, with the Will Farrell comedy from Sony/Columbia on track for US$16.3 million in sales this weekend, and a two-week gross of US$63 million.

The "Mama Mia!" musical starring Meryl Streep, is estimated to sell US$13.1 million in admissions this weekend, and will nudge the US$88-million mark after its third weekend.

And down in eighth place, the Disney cartoon "Wall-E" crossed the US$200-million mark.

Rounding out the top ten are:

-- "Journey To The Center Of The Earth," Warner Bros., US$6.9 million this weekend, US$73.1 million over four weeks;

-- "Swing Vote," Disney, premiering in sixth place with an estimated US$6.3 million this weekend;

-- "Hancock," Sony/Columbia, US$5.2 million this weekend, US$216 million over five weeks;

-- "Wall-E," Disney, US$4.8 million this weekend, US$204.2 million over six weeks;

-- "The X-Files: I Want To Believe," Fox, US$3.4 million his weekend, US$17 million over two weeks; and

-- "Space Chimps," Fox, US$2.8 million this weekend, US$22 million over three weeks.