Brodsky cover inks credit from Nick Caputo via the GCD Errors list, January 2009. Original indexer credited Dick Ayers.
This 'Merlin' was revealed to be an imposter in Avengers Annual #22. In most of his appearances he calls himself 'Maha Yogi'. He has been said to be a mutant, but this is also false.
Between pages 5 and 6 of previous story sequence. Continues in next issue.
Job number revealed on original art. Info per Nick Caputo: http://www.artnet.com/artists/larry-lieber/larry-lieber-and-paul-reinman-j…
This is a retelling of "The Man in the Iron Box" drawn by Carl Burgos in Strange Tales (Marvel, 1951 series) #69 (June 1959); the earlier story uses suspended animation to achieve the same effect. Job number from Tom Lammers and Ger Apeldoorn via the Atlas/Timely discussion group.