"Marc Spector is Moon Knight! Or is he? It's hard to tell these days, especially when New York's wildest vigilante protects the street with two-fisted justice and three, that's right-- three different personalities!"--P. [4] of cover.

The Authority under Jenny Sparks, the Spirit of the 20th century, comes to a close as she battles a godlike alien invader. Following in her footsteps, Jenny Quantum, the Spirit of the 21st century, evades a diabolical super-genius and his army.