Box office

Estimated ticket sales for Friday through Sunday at U.S. and Canadian theaters, according to Hollywood.com; final figures will be released today:

“Iron Man 2,” $133.6 million.

“A Nightmare on Elm Street,” $9.1 million.

“How to Train Your Dragon,” $6.7 million.

“Date Night,” $5.3 million.

“The Back-up Plan,” $4.3 million.

“Furry Vengeance,” $4 million.

“Clash of the Titans,” $2.3 million.

“Death at a Funeral,” $2.1 million.

“The Losers,” $1.8 million.

“Babies,” $1.5 million.