hulk 138Title: ...Sincerely, the Sandman! The Hulk has landed in the ocean after falling from space last issue. The Abomination, who was falling with the Hulk, is nowhere to be seen.Incredible Hulk #138 ...Sincerely, The Sandman! Release date: January 12, 1971 Cover date: April, 1971. Incredible Hulk #139 Many Foes Has the Hulk! Release date: February 9, 1971