Collects Fantastic Four (1961) #25-26, #150, #255-256 And Annual #19; Avengers (1963) #127, #233, #301-303 And Annual #14; New Avengers Guest-Starring The Fantastic Four; And Mighty Avengers (2007) #25-26. Earth's Mightiest Heroes and Marvel's First Family share some of their greatest adventures! First, it's the battle of the century: the Hulk vs. the Thing! And it'll take the combined forces of both teams to stop the destruction! Worlds collide again when Ultron-7 crashes Quicksilver and Crystal's wedding! And the Avengers and the Fantastic Four each have roles to play in cosmic encounters with Annihilus and the Skrulls! Then, on a break from the FF, Mister Fantastic and the Invisible Woman join the Avengers for the Super-Nova Saga! The New Avengers and the Fantastic Four face the Kree — but why are Hank Pym and the Mighty Avengers breaking into the Baxter Building?!