COVER BY: GRAHAM NOLAN WRITER: JEFF PARKER PENCILS: IG GUARA INKS: NORMAN LEE LETTERED BY: DAVE SHARPE THE STORY: THERE'S A TIGRA ON THE LOOSE!: The Griffin is on a rampage, and it's up to the Avengers to stop him! But why is Tigra secretly observing the fight from afar, and why has she been spying on the Avengers for days? And who, in turn, has been spying on HER? Plus, a new Avenger joins the ranks! All Ages …$2.99 IN STORES: November 19, 2008 Check out the official Marvel Shop for your favorite Marvel Heroes!