It's possible that it's taking a break to make room for the ORIGINAL SIN: IRON MAN VS. HULK miniseries, also co-written by Waid.

IIRC, Loki: Agent of Asgard is taking a similar break, to make room for ORIGINAL SIN: THOR VS. LOKI.

-Jeph!

Just relax and enjoy the @#$% books.