The Avengers #1

There came a day! A day unlike any other...where two of Marvel's top creators teamed up for the very first time to create a bombastic new story that not only ushers in the Heroic Age of Marvel Comics but unleashes onto the world the most blockbuster Avengers team ever! Who will answer the call? And
will they assemble just in time...because Kang the Conqueror is here from the future. And wait till you find out why...!
COLLECTING: Avengers #1-6 (2009)