>The take of $100.8 million in 4,105 theaters marks the second-highest nonsequel, non-holiday three-day opening ever. "Spider-Man" ($114.8 million in 2002) is tops.

>It's the second-best bow in Paramount history, behind only 2007's "Shrek the Third," which grossed $121.6 million in 4,122 theaters in its first three days.

>It's the best-ever opening for Robert Downey Jr. (topping 2003's "Gothika," $19.3 million), Gwyneth Paltrow (2001's "Shallow Hal," $22.5 million) and director Jon Favreau (2003's "Elf," $31.1 million).