Justice League director Zack Snyder shared storyboard images on the app Vero today, and they were ones that he personally drew on his iPad.
“Some JL storyboards I did on my iPad with Apple Pencil and an app called Paper 53,” Snyder wrote. Check out the image below.
This scene was shown in the very first Comic-Con trailer in July 2016. We see men burying a motherbox.