Thor #257 (1962)

Cover pencils by Jack Kirby, inks by Joe Sinnott. "Death, Thou Shalt Die!", script by Len Wein, pencils by John Buscema (breakdowns) and Tony DeZuniga (finished art), inks by Tony DeZuniga; As the heroes seek Sporr, Relstor tells the Asgardians the history of Levianon; They finally come across one of Sporr's tentacles, only to have it collapse the hallway again; Back in Asgard, Balder and Karnilla look upon a mysterious army that has appeared on the outskirts of Asgard; Back on Levianon, Thor holds up the ceiling to save everyone; They then manage to track down the monstrous Sporr; The Asgardians battle against it, but it takes Thor to bring it down; But before he can stop them, the men of Levianon kill Sporr while it is knocked out. Appearances by Sif, Hogun, Fandral, Volstagg, the Recorder, and Karnilla. Grey Gargoyle cameo.