The Avengers 1963 #263 Direct ed. - 5.5 - $5.50

Sub-Mariner joins the Avengers. The Avengers retrieve a cocoon from the bottom of Jamaica Bay which contains the dormant body of the long-thought-dead Jean Grey of X-Men fame.

• "What Lurks Below?" - Continued in Fantastic Four (Marvel, 1963 series) #286, which leads up to X-Factor (Marvel, 1986 series) #1.
• - Letters on The Avengers #256; Question of the Month "Does anyone in your family look at your work? Who?" asked to Stern, Buscema, Palmer, Novak, Scheele, Mackie, Gruenwald and Shooter; Special Announcements Section. Letters from: Rick Braunstein, Lynn Tucker, Douglas Herr Jr., Jason Donegan, T. E. Pouncey, Frank Jessie, and Marshall Mattie.