From the press release:
Iron Man: Stark Disassembled Sells Out & Return With New Printings!
Marvel is pleased to announce Invincible Iron Man #21 and Invincible Iron Man #22 have both sold out at Diamond (though copies may still be available at retail level) and will return with Invincible Iron Man #21 Second Printing Variant and Invincible [...]

The Invincible Iron Man #22 is a Marvel Comics release written by Matt Fraction, with artwork by Salvador Larroca, and colours by Frank D’Armata.
The Story
This issue is part three of the five-part ‘Stark Disassembled‘ arc, in which Tony Stark puts himself into a persistent vegetative state, in order to protect the secrets in his mind [...]

Marvel has released an image of the new look Iron Man armor that Tony Stark will be wearing after the conclusion of the ‘Stark Disassembled‘ storyline. The new suit is designed by current Invincible Iron Man writer Matt Fraction, and Ryan Meinerding, who is a designer for the Iron Man and Thor Films.
Check it out [...]

From the press release:
Iron Man’s World Gets Rocked By The Sold Out Stark: Disassembled
Marvel is proud to announce that Invincible Iron Man #21, the second chapter of the red-hot “Stark Disassembled” line has sold out at Diamond (though copies may be available at the retail level), continuing a successful year for the Eisner Award-winning [...]

Marvel have provided Hypergeek with a teaser image for the upcoming ‘Stark: Disassembled’ story line in The Invincible Iron Man #21:
Can Captain America And Thor Save Iron Man In Stark: Disassembled?

INVINCIBLE IRON MAN #21 (OCT090511)
Written by MATT FRACTION
Art and 50/50 Cover by SALVADOR LARROCA
50/50 Cover by PATRICK ZIRCHER
Rated A…$2.99
On-Sale—12/9/09 (December 9th 2009)