Avengers fans, you may be a little perplexed by the appearance of Blackjack in this week's issue of MIGHTY AVENGERS #24. Don't break a sweat, because writer Dan Slott has you covered. He sent over a little background info on the duo and their employers, along with some sweet concept sketches from artist Pete Woods!

Blackjack concept sketch by Pete Woods

"Who are the globe-hopping, monster-hunting, weirdness magnets that are about to shake things up for the Mighty Avengers?" asks Slott. "Meet Ace and One-Eyed Jacquie, the two-man team codenamed: Blackjack! "Forget S.H.I.E.L.D., S.W.O.R.D. and H.A.M.M.E.R. BLACKJACK belongs to an agency whose acronym strikes terror into every man's heart: G.R.A.M.P.A.! Yeah, you read that right. G.R.A.M.P.A., the Global Reaction Agency for Mysterious Paranormal Activity.

G.R.A.M.P.A. logo

"Whatever the danger--giant monsters, vampires, hyper-intelligent monkeys or freakishly nice robot overlords--the Global Reaction Agency is on the case, solving problems with big guns, big ideas and in under two pages!" Keep reading MIGHTY AVENGERS, including issue #24--on sale now--for more Blackjack action. And if you can't wait, be sure to check out the team's first appearance in AMAZING FANTASY #15 (2004), courtesy of Marvel Digital Comics Unlimited. Not a subscriber to Marvel Digital Comics Unlimited yet? Join now!. Download episodes of X-Men: Evolution now on iTunes! Check out the official Marvel Shop for the best mighty Marvel merchandise!