The 15th episode of (2013), titled " Planet Doom ," aired on December 8, 2013. It explores an alternate timeline where the Avengers never formed because Doctor Doom used time travel to systematically eliminate their origins. Episode Overview
: Thor returns to Earth after a stay in Asgard only to find the planet renamed "Planet Doom" and under the total rule of Victor von Doom. Thor was immune to the timeline shift because he was off-world at the time of the change. The Alternate Timeline : Doom altered history by: Watch Avengers Assemble (2013-) TV Series1x15
: In this world, a group called The Defenders leads the rebellion against Doom: Bullseye (Clint Barton/Hawkeye) Snap (Sam Wilson/Falcon) Slinger (Peter Parker/Spider-Man) Key Characters & Cast The 15th episode of (2013), titled " Planet
: The Punisher (Frank Castle) makes a brief appearance as an executioner for Doom, only to turn against him during the final battle. Thor was immune to the timeline shift because
: Natasha Romanoff serves as Doom's "Black Bride," wearing a golden mask inspired by the villain Madame Masque. She is eventually revealed to be a double agent for the resistance.