"Another Panic in the Sky!"
Continued from Superman: The Man of Steel #11, continues in Adventures of Superman (1987) #490.
Weeks after defeating Brainiac and Warworld, the Swarm arrives - the ultimate cleaner, the Swarm devours all rotting flesh and chemical bacteria after Warworld has decimated any given planet making it ready for colonization by Warworlders. Superman and his team of commandos defeated Warworld, so now the Swarm is the ultimate destroyer.
It's unstoppable onslaught has killed hundreds already, can Superman hope to defeat it? Lex Luthor's technological savvy may be the only chance for salvation.
In Washington D.C., Pete Ross settles into his new duties as a Senator only to feel the pressure of special a interest group, namely the Sons of Liberty.