Marvel Super-Heroes #20 - 1st Doctor Doom solo story & issue

Marvel Super-Heroes v1 #1, 1969 - The villainous Diablo proposes an alliance to Doctor Doom. Upon his refusal, the alchemist reveals he holds Victor's childhood sweetheart as hostage. In his 

 story, written by Larry Lieber and drawn by Lieber, Frank Giacoia and Vince Colletta, Doom's early years as a gypsy boy and the death of his father are told for the first time. Cover by Lieber and Colletta. /// key

 Doctor Doom