Given she plays Black Widow on the big screen, it's too bad she can't call the Avengers in on this one.

Back in March, Scarlett Johansson's name popped up on a list of celebrities who found themselves the target of hackers that broke into their cell phones and leaked some nude photos and video.

With sultry X-rated pics of the sex symbol surfacing today on various gossip sites, ScarJo's fighting back by reaching out to the feds to find the perpetrators.