Earlier this month, the two stars joined Paul Rudd and Chris Hemsworth to chat to Jimmy Kimmel on US TV.
Speaking ahead of the Avengers: Endgame premiere, which took place on Monday, Downey Jr revealed that he would be screening the Marvel film at his house over Easter weekend.
When he joked that he’d play the film “on a loop”, Kimmel pointed out that the length of the movie - a bladder-testing three hours - would make it hard to show it more than once.
“We can fast-forward through the dumb stuff,” Downey Jr quipped.
Johansson asked: “What’s the dumb stuff?!”
And Downey Jr quickly joked: “I don’t know. Your character arc.”
As the audience gasped in a mixture of shock and laughter, a mischievous Downey Jr embraced an affronted Johansson.
“What?!” she said. “I’ll get you back for that.”
AVENGERS ENDGAME SPOILER REVIEW: CLICK HERE
Black Widow:
