Written by: Dan Jurgens
Pencils by: Aaron Lopresti
Inks by: Matt Ryan
Cover by: David Finch
Colored by: Hi-Fi

With the appearance of four giant, alien Signalmen, the JLI must split up to investigate the mysterious cavern beneath each one. Will the individual teams be able to handle what hides in the dark? Or will it be too late by the time the next phase comes into play?