"The Ultroids Attack!" Part 1 of 2. Script by Roy Thomas. Art by Don Heck. Cover by Don Heck. The Scarlet Witch arrives at Avengers Mansion...and says that her brother Pietro has been kidnapped by aliens! Oh my, the assembled avengers are stunned by the news. And after Hawkeye and Goliath (back to his normal height) finish arguing about membership for the Black Widow, Earth's Mightiest Heroes and Natasha depart for the Balkans to rescue Quicksilver! Upon arrival in Transia, the Scarlet Witch leads the team to the location of the mysterious spaceship. And when the Avengers go inside, they discover Pietro captive...and Wanda too! Hold on, so then who's been guiding the Avengers since they left the United States? Meet Ixar, Ultrana, and the Ultroids -- the next alien race to conquer the planet Earth! Avengers Lineup: Captain America, Goliath, Hawkeye, Quicksilver, Scarlet Witch, and the Wasp. (Note: This issue was reprinted in Marvel Triple Action #28.) 36 pages. Cover price $0.12.