2014年斯嘉丽在《[[美国队长2]]》中再次饰演黑寡妇，并与男星[[克里斯·埃文斯]]合作。影片2014年上映后获得好评<ref>{{cite web |url=http://www.rottentomatoes.com/m/captain_america_the_winter_soldier_2014/|title=Captain America: The Winter Soldier (2014) |publisher=[[Rotten Tomatoes]] |accessdate=2014-07-08}}</ref>。此外，在2014年上映的影片《[[厨师 (电影)|厨师]]》中，她与[[乔恩·费儒]]、[[小罗伯特·唐尼]]和[[索菲娅·维加拉]]合作，并饰演莫莉一角。同年，她还主演了[[吕克·贝松]]执导的科幻动作片《[[露西 (电影)|露西]]》<ref name="hollywoodreporter2">{{cite web|url=http://www.hollywoodreporter.com/heat-vision/scarlett-johansson-star-luc-bessons-446576|title= Scarlett Johansson to Star in Luc Besson's Latest Action Movie (Exclusive)|publisher=HollywoodReporter.com|date=2013-04-25|first=Tatiana|last=Siegel}}</ref>，该片上映后获得基本上赞美了约翰森在影片中的表现<ref name="Lombardi">{{cite web|last=Lombardi|first=Ken|title="Lucy," "Hercules" both get strength from critics|work=[[CBS News]]|date=2014-07-25|accessdate=2014-09-08 |url=http://www.cbsnews.com/news/lucy-hercules-both-get-strength-from-critics/}}</ref><ref name="Sims">{{cite web|last=Sims|first=David|title=Is 'Lucy' Being Criticized as Dumb Because It's About Being Smart?|publisher=[[thewire.com]]|date=2014-07-25|accessdate=2014-07-25|url=http://www.thewire.com/entertainment/2014/07/is-lucy-being-criticized-as-dumb-because-its-about-being-smart/375053/}}</ref><ref name="Gettell">{{cite web|last=Gettell|first=Oliver|title='Lucy': 5 reasons the Scarlett Johansson film ruled the box office|work=[[Los Angeles Times]]|date=2014-07-22|accessdate=2014-08-22|url=http://www.latimes.com/entertainment/movies/moviesnow/la-et-mn-lucy-5-reasons-scarlett-johansson-ruled-the-box-office-20140728-story.html}}</ref> 并在电影预算只有四千万美元下收获四亿五千八万票房。<ref>{{cite web|url=http://www.boxofficemojo.com/movies/?id=lucy.htm|title=Lucy (2014)|publisher=Box Office Mojo|accessdate=2014-11-15}}</ref>

2015年，斯嘉丽与《复仇者联盟》第一部原班人马合作，继续在《[[复仇者联盟2]]》{{里}}扮演黑寡妇<ref name="Johansson2">{{cite web |url=http://www.nydailynews.com/entertainment/gossip/scarlett-johansson-flaunts-curves-new-magazine-photo-shoot-article-1.1470378 |title=Scarlett Johansson flaunts curves in new magazine photo shoot, reveals details on 'The Avengers' sequel |last=Maresca |first=Rachel |work=The New York Daily News |date=2013-09-29 |accessdate=2013-09-29 |archiveurl=https://www.webcitation.org/6K03pw89R?url=http://www.nydailynews.com/entertainment/gossip/scarlett-johansson-flaunts-curves-new-magazine-photo-shoot-article-1.1470378 |archivedate=2013-09-29 |deadurl=no }}</ref> ，影片中采用了特写镜头，3位特技替身演员和后期视觉效果来帮助隐藏在拍摄过程怀孕的斯嘉丽<ref>{{cite web |url=http://insidemovies.ew.com/2014/07/18/avengers-age-of-ultron-scarlett-johanssons-pregnancy/ |title=How 'Avengers: Age of Ultron' will hide Scarlett Johansson's pregnancy |last=Breznican |first=Anthony |work=Entertainment Weekly |date=2014-07-18 |accessdate=2014-07-18 |archiveurl=https://www.webcitation.org/6RAdLPGJO?url=http://insidemovies.ew.com/2014/07/18/avengers-age-of-ultron-scarlett-johanssons-pregnancy/ |archivedate=2014-07-19 |deadurl=no }}</ref>。