The Diamond Comics Advance Reorder List is a great speculator tool. It shows what books retailers are going back to get more of, in advance of their release. They are actually putting their money up betting these books get big. These are the books people are talking about in shops, message boards, and websites. Here is the Diamond Comics Advance for 10/25/15:
Man, Darth Vader reprints keep selling. 4th and 5th prints for a ton of the books. New (Non-Marvel book) Goddamned makes the list. Some more local comic shop day books hit, and a bunch new Marvel
LCSD 2015 ALL NEW WOLVERINE #1 BENGAL SKETCH VAR
ALL NEW WOLVERINE #1
ALL NEW ALL DIFFERENT AVENGERS #1
LCSD 2015 ALL NEW ALL DIFFERENT AVENGERS #1 MARQUEZ VAR
ULTIMATES #1
ALL NEW WOLVERINE #1 GRANT HIP HOP VAR
WEB WARRIORS #1
CARNAGE #1
JUSTICE LEAGUE DARKSEID WAR SHAZAM #1
JUSTICE LEAGUE DARKSEID WAR LEX LUTHOR #1
ALL NEW ALL DIFFERENT AVENGERS #1 CHEUNG HIP HOP VAR
DARTH VADER #1 GRANOV 5TH PTG VAR
DARTH VADER #3 GRANOV 4TH PTG VAR
DARTH VADER #2 GRANOV 5TH PTG VAR
UNCANNY AVENGERS #2
CARNAGE #1 OLVETTI HIP HOP VAR
GODDAMNED #1 CVR A GUERA
ALL NEW HAWKEYE #1
GODDAMNED #1 CVR B JOCK
DARTH VADER #4 GRANOV 4TH PTG VAR
DARTH VADER #5 GRANOV 2ND PTG VAR
WEB WARRIORS #1 SCOTT HIP HOP VAR
ALL NEW WOLVERINE #1 BLANK VAR
ALL NEW HAWKEYE #1 GREENE HIP HOP VAR
ULTIMATES #1 DEODATO HIP HOP VAR