Scarlett Johansson changes gears in her new film, Lucy, taking on the role of a superhuman assassin.

The new trailer for the upcoming action-thriller gives a sneak preview into Johansson's character.

The clip shows the actress as a super-intelligent assassin, who can tap into threads of mobile communications before casually wreaking havoc in a high-speed car chase.

Taken 2's Luc Bessontakes on writing and directing duties for thefilm.

Morgan Freeman and Crazy Stupid Love's Analeigh Tipton also star in the summer release.

Lucy is set to hit cinemas on 25 July.