There be spoilers inside, you were warned
The latest issue of “Famous Monsters” magazine (#254) provides their readers with a behind-the-scenes look at the upcoming Battle: Los Angeles, opening March 11. Within this issues pages: An early look at the invading aliens that take on stars Aaron Eckhart and Michelle Rodriguez. These guys are described as “alien foot soldiers” and brought to life by Spectral Motion. Very “bio-mechanical,” from the looks of it.
Source: “Ekum”, Famous Monsters