By Superman #17 (May 1942), Superman has built a “mountain sanctuary”, not-yet-called a Fortress of Solitude, but looking a hell of a lot like it. Here Superman puts the finishing touches on its construction.
194 – Super-Nesting
By Superman #17 (May 1942), Superman has built a “mountain sanctuary”, not-yet-called a Fortress of Solitude, but looking a hell of a lot like it. Here Superman puts the finishing touches on its construction.