# Journey Into Mystery (1952) #99

Published: 1963-12-01T00:00:00+0000
Series: Journey Into Mystery (1952 - 1966)
Creators: Stan Lee (writer), Jack Kirby (penciler), Don Heck (cover artist), George Roussos (cover artist), Art Simek (letterer)

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The First Appearance of Mr. Hyde!  While Thor pleads with his father Odin to be allowed to marry Jane Foster, Mister Hyde breaks into the office of Dr. Donald Blake and takes Jane hostage!