Johansson's recent credits include "Iron Man 2" and "He's Just Not That Into You."
Reynolds appeared opposite Sandra Bullock in "The Proposal" and stars in "Green Lantern," set for release next year.
Scarlett Johansson, Ryan Reynolds end marriage
The 26-year-old actress and 34-year-old actor were engaged in May 2008 and married that September. The couple kept their courtship and nuptials private, releasing few details about their wedding and rarely appearing in public together.
