The Brotherhood vs. the Ultimates...Hawkeye vs. Spider-Man...the shocker of the year rocks on! Reeling from the sneak attack by Venom, the team has no time to recover-because the evil mutant team known as The Brotherhood has launched a full-scale assault on Tony Stark's mansion! It's Captain America vs. Sabretooth, Iron Man vs. Mystique...and Thor vs. Valkyrie? Plus: Which mega-popular character (nope, not Spidey) makes a surprise appearance on the last page? The dream team of Jeph Loeb, Joe Madureira, and Christian Lichtner continues to rock the Ultimates!