Dates
- Cover date
- March 2009
- On sale
- 2009
- Pages
- 52
Editions and covers (2)
Copies of #21 are not all the same book. Here is how to tell each one apart.
- Direct edition
Direct Edition
No UPC barcode in the corner box: direct editions show artwork, a logo or a blank box there.
Barcode 75960606008502111
This edition’s page - Newsstand edition
Newsstand
A UPC barcode in the cover's corner box.
Barcode 00928103241002
Source ↗
Reprinted in
The Mighty World of Marvel (2009), Mighty Avengers: Earth's Mightiest (2009), Avengers: I Am an Avenger (2010), Mighty Avengers: Dark Reign (2011), Mighty Avengers by Dan Slott: The Complete Collection (2019)