According to Robot Kingdom, the case assortment is:
2 Override
1 Road Hauler
Link:
https://www.robotkingdom.com/f30765l00.html
From what I've seen, the case assortment can vary, sometimes they come in a mix, sometimes they're just a case of the same characters. I've seen Earthrise Snapdragon, SS86 Grimlock in their own cases before. Really depends on what Hasbro allows.
