It's an old-fashioned family feud when Marvel's CIVIL WAR hits home! Mister Fantastic embraces the Registration Act, but the rest of his team aren't sure he's doing the right thing--and they're not shy about expressing it! And when newlyweds Storm and the Black Panther embark on a world tour to raise anti-registration support, the final battle leaves the Fantastic Four's lineup changed in unexpected ways! Meanwhile, She-Hulk flexes her legal muscles on behalf of the New Warriors--and Marvel's two newest teen teams discover family ties of their own as they clash with each other and the all-new Marvel Boy! COLLECTING: Fantastic Four #536-543, Black Panther #18-25, She-Hulk #8, Civil War: Young Avengers/Runaways #1-4