Robert Downey, Jr. and Scarlett Johansson are teaming up with their "Iron Man 2" director Jon Favreau for an upcoming film.

"The Avengers" stars have joined the cast of "Chef," in which Favreau will play a top chef who hits the road with a food truck venture.

In order to prepare for the role, Favreau has reportedly been taking cooking lessons.

Johansson also stars in the upcoming "Captain America: The Winter Soldier" and "The Avengers" sequel.