(W) Robert Kirkman (A) Paco Medina, Cory Walker (CA) Cory Walker. Written by ROBERT KIRKMAN Penciled by CORY WALKER & PACO MEDINA Cover by CORY WALKER The heroes of the Marvel Universe are no more. Spider-Man? Wolverine? Captain America? Iron Man? Gone - but the people of the world still need saving; they still need heroes. Make way for The League of Losers! Plus: The team-up you thought you'd never see! Robert Kirkman and Cory Walker's Invincible bounces over to the Marvel Universe for a visit! Collects MARVEL TEAM-UP #14-18.