Thought I would tease you guys with the baddies for this Roleplay (If you ever played Warhammer 40k you probably know who it is)

There have been strange reports though out the galaxy of an army of a deadly and mysterious nature going from system to system wiping out all forms of life with relative ease. Captain Marvel and The Green Lantern Hal Jordan were sent out to investigate the previous year but have since not returned and communication with them has been severed...