This issue is a variant of Marvel Super-Heroes (Marvel, 1967 series) #55.
cover is a combination of Marie Severin and Frank Giacoia (who drew the Hulk) and Jack Kirby and Syd Shores (Asgardians and backgrounds). There are further alterations on the Hulk's face, possibly by John Romita, in this version.
Page 7 of the original story is omitted.
NOTE 1: First hint of Destiny, soon to be a major foe. NOTE 2: Pages 4 and 5 of the original story are omitted.