The single word is undoubtedly a reference to the Reavers, a team of psychotic cyborg mercenaries that served as a primary opponent of the X-Men during several storylines in the late 80s and early ...

Among the familiar faces in his personal army are Cyborg Superman, the Metal Men, Red Tornado, Captain Atom, Power Girl, James Gordon's old "Rookie" mech-suit, G.I. Robot, Ladytron, and many more.