THE ONLY WAY TO KILL SUPERMAN! / THE HATED GIRL OF STEEL
The Anti-Superman Gang tries several different scientific weapons against Superman until one leaves him caught in a Kryptonite trap.
Scientists attending a conference at Stanhope College are kidnapped by aliens from the planet Rancor who want to steak their collective knowledge; Supergirl learns that they were also responsible for the blinding of Dr. Alexander.