Share Elsa looked completely unrecognisable as she ditched her boho-chic style for full military gear while looking bloody and bruised. In one image, Elsa is seen posing on-set with one of her twin sons, both wearing matching blue bathrobes. Realistic: In the images, Elsa, who plays the film's lead role of army lieutenant JJ Collins, is seen looking bloodied and bruised thanks to some very realistic special effects makeup Set visits: One image shows Elsa posing with one of her twin sons - both wearing matching blue bathrobes Transformation: Elsa showed off her huge biceps as she pos...