Gal Gadot and Ezra Miller, who will be next seen in DC superhero movie 'Justice League', feel that humanity is facing an 'existential crisis' and could be wiped off the face of the planet if we don't address climate change and nuclear war. According to News.com.au, the 25-year-old-actor Miller said that people need to overcome differences in order to get over that otherwise its game over on humanity.

Gal Gadot