FORBIDDEN KINGDOM - co-starring Jet Li and Jackie Chan - exceeded expectations, which had predicted the film would edge just past the $19-million mark. Instead, the martial arts fantasy - which made its debut in 3,151 theatres - finished up the weekend with an estimated $20.87-million, easily outdistancing runner-up FORGETTNIG SARAH MARSHALL.

FORBIDDEN KINGDOM: Jet Li as the Silent Monk and Yifei Liu as Golden Swallow

As for returning fantasy, horror, and sci-fi titles…

PROM NIGHT was downgraded in its sophomore session from #1 to #3, where it earned $9.1-million, for a two-week total of $32.56-million.

NIM’S ISLAND floated from fourth to fifth place, earning $5.6-million. After three weekends, that brings the total to $32.86-million.

DR. SEUSS’ HORTON HEARS A WHO had a hear loss of two decibels, from #6 to #8. With $3.5-million in weekend ticket sales, the film heard its six-week total swell to $144.41-million.

Finally, SUPERHERO MOVIE dropped out of the Top Ten faster than a speeding bullet, leaping from ninth to twelfth place. The film earned $1.54-million in its fourth weekend, raising its total to 423.54-million.

Read the complete Top Ten here.