The Lexcorp suicides are related to a mysterious black and green document, as is Batman’s homicide investigation. Flash is called by Linda to help with a major explosion at Keystone University. Superman saves a stranded satellite. Green Lantern helps contain a fire and explosion at Grand Central Station. Superman, Wonder Woman and Green Lantern all call J’Onn J’Onzz for a consultation about pieces of a mysterious black and green document they find at the site of the explosions. And Oracle comes on-line.