Included with the Marvel Universe: Greatest Battles Dark Spider-Man and Dark Wolverine 2-Pack.
The package says that it includes Dark Avengers #1 and the cover is from Dark Avengers #1, but the issue is an exact reprint of Dark Avengers/Uncanny X-Men: Exodus #1. The indicia even says Dark Avengers/Uncanny X-Men: Exodus.
*The climactic conclusion to the crossover event of 2009 is here! This is it, the final battle for the Dark Avengers and the X-Men that will change the status quo for the Marvel Universe. Emma Frost’s betrayal comes home to roost. Cyclops’ plan clicks into place, but is it too late? What can the X-Men do against the Sentry and Ares? *Source: marvel.com