Currently unavailable
Thor #187 (Apr. 1971 by Marvel Comics). "The World is Lost!" Script by Stan Lee, pencils by John Buscema, inks by Joe Sinnott. Appearances by Sif, Balder, Hogun, Fandral, Volstagg, Karnilla, Loki, and Odin. Buscema/Sinnott and Marie Severin cover.