The Avengers Vol. 8 #51
THE DEATH HUNT BEGINS. Sent by the mysterious Avenger Prime from a great watchtower at the dark heart of all that is, the cybernetic soldiers known as the Deathloks have come to our Earth with a dire warning for the Avengers. But hunters follow close behind them to ensure their warning of megaversal doom is never delivered. The most Earth-shatteringly powerful hunters any universe has ever seen. And their first stop: the golden realm of Asgard.