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Superhero Celebs! How These Stars Got Super Fit For Their Super Roles
![X Men: Days Of Future Past – 2014](https://media.okmagazine.com/brand-img/4dZQw4BAS/480x251/2014/07/jennifer-lawrence-fantastic-four.jpg?position=top 480w, https://media.okmagazine.com/brand-img/4dZQw4BAS/640x335/2014/07/jennifer-lawrence-fantastic-four.jpg?position=top 640w, https://media.okmagazine.com/brand-img/4dZQw4BAS/768x402/2014/07/jennifer-lawrence-fantastic-four.jpg?position=top 768w, https://media.okmagazine.com/brand-img/4dZQw4BAS/1024x536/2014/07/jennifer-lawrence-fantastic-four.jpg?position=top 1024w, https://media.okmagazine.com/brand-img/4dZQw4BAS/1280x670/2014/07/jennifer-lawrence-fantastic-four.jpg?position=top 1280w, https://media.okmagazine.com/brand-img/4dZQw4BAS/1440x753/2014/07/jennifer-lawrence-fantastic-four.jpg?position=top 1440w, https://media.okmagazine.com/brand-img/4dZQw4BAS/1600x837/2014/07/jennifer-lawrence-fantastic-four.jpg?position=top 1600w, https://media.okmagazine.com/brand-img/4dZQw4BAS/2160x1130/2014/07/jennifer-lawrence-fantastic-four.jpg?position=top 2160w)
Jan. 28 2015, Updated 2:41 p.m. ET
![Captain America: The winter Soldier – 2014](https://media.okmagazine.com/brand-img/UQ-kHjbeg/416x500/2014/07/scarlett-johansson-black-widow.jpg 416w)
Scarlett Johansson as Black Widow: A vegan diet and circuit training prepped ScarJo for the Avengers role, which she’ll reprise in 2015.
![Man of Steel – Jun 2013](https://media.okmagazine.com/brand-img/HUc4H-bB6/416x500/2014/07/henry-cavill-superman.jpg 416w)
Henry Cavill as Superman: The actor used a military-style workout to bulk up for Batman v. Superman, out in 2016.
![Thor: The Dark World – 20 Aug 2013](https://media.okmagazine.com/brand-img/mZRC08BCR/416x500/2014/07/chris-hemsworth-thor.jpg 416w)
Chris Hemsworth as Thor: Chris said he was “eating all day”—mostly lean protein and veggies—to build muscle for the part.
![X Men: Days Of Future Past – 2014](https://media.okmagazine.com/brand-img/wDoC9gaOH/416x500/2014/07/jennifer-lawrence-mystique.jpg 416w)
Jennifer Lawrence as Mystique: Jen said she went "hungry for five months" to prepare for her blue body-paint costume!
![Captain America: The winter Soldier – 2014](https://media.okmagazine.com/brand-img/5Bm5k_6qT/416x500/2014/07/chris-evans-captain-america.jpg 416w)
Chris Evans as Captain America: The movie studio told Chris’ trainer to give him a “big and lean body that was realistic.” Check!
![‘Fantastic Four – Rise of the Silver Surfer’ film – 2007](https://media.okmagazine.com/brand-img/j2FUs1rdT/416x500/2014/07/jessica-alba-invisible-woman.jpg 416w)
Jessica Alba as Invisible Woman: Jessica ate 1,200 calories a day to play Fantastic Four's Sue Storm.