This page may contain affiliate links. We may earn commissions when readers interact with or purchase items through these links. Today at 9am PST, Mattel is scheduled to open up preorders for a “surprise announcement” for Masters of the Universe collectors. Target has beaten Mattel to the punch and has already opened up preorders for the next installment of the the MOTU X Transformers line. This time it is Optimus Prime Armor He-Man. Like Bumblebee Armor Man-At-Arms and Megatron Armor … View the full Transmission on SEIBERTRON.com.This page may contain affiliate links. We may earn commissions when readers interact with or purchase items through these links. Today at 9am PST, Mattel is scheduled to open up preorders for a “surprise announcement” for Masters of the Universe collectors. Target has beaten Mattel to the punch and has already opened up preorders for the next installment of the the MOTU X Transformers line. This time it is Optimus Prime Armor He-Man. Like Bumblebee Armor Man-At-Arms and Megatron Armor … View the full Transmission on SEIBERTRON.com.