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!