AMAZING SPIDER-MAN GNTLT #621 MARVEL COMICS Written by DAN SLOTT Penciled by MICHAEL LARK Cover by ED MCGUINNESS "Out for Blood" SPIDEY needs a favor from the BLACK CAT. Nothing big. He just needs her help stealing one of MR. NEGATIVE'S most valuable possessions. It's not like anything could go oh-so-horribly wrong! Also in this ish: a dark turn for CARLIE COOPER, a disturbing development for CURT CONNORS, and a malicious move by...AUNT MAY?!