Tales To Astonish (1958) #089 VG-

(W)Stan Lee (A)Bill Everett

"The Prince and the Power!" - Attuma has sent a giant alien robot to destroy Atlantis and it may take all of the power of Namor, his subjects and his underwater animal friends to save the city. 

(W)Stan Lee (A/C)Gil Kane

"...Then There Shall Come A Stranger!" -  Last ish we saw our magnificent mint-colored monster defeat the bombastic Boomerang! But in so doing, ol' green skin was transformed once more into his normal identity... that of the brilliant atomic scientist, Bruce Banner! Now let us join the tragic Dr. Banner as he lies exhausted upon a lonely mountain top...little dreaming that he's just seconds away from meeting the most startling foe he's ever faced...