The Mighty Thor Penguin Marvel Classics

Collects Journey into Mystery #83, 85, and 114-116, and Thor #128-133, 154-157, and 159-161.

This collection gathers some of the most important story arcs from the foundational years of the series and includes seminal early appearances of such characters as Hercules and Ego, the Living Planet, as well as Thor’s first encounter with Galactus!