Marvel"s What If...? Show Summary, Upcoming Episodes and TV Guide

When Captain Carter teams up with an old friend to hunt down vicious Universe Killers terrorizing the Multiverse, she discovers the greatest threat to all existence may be closer than she realizes.

Growing weary of Hela's bloodlust, Odin opts to teach his daughter a lesson by stripping her of her powers and banishing her to Earth. But when she lands in ancient China, the seductive lure of the Ten Rings threatens to reawaken the Goddess of Death's villainous appetite.

Peggy Carter / Captain Carter believes that the love of her life, Steve Rogers, is long-dead until he is discovered alive as the villainous Hydra Stomper.

When Justin Hammer lays siege to Avengers Tower during the annual holiday party, there's only one person left on site to stop him - Happy Hogan. But in setting out to prove his hero chops, Iron Man's errand boy may end up transforming himself in more ways than one.

In a world where Ronan deposes Thanos long before the events of 'Infinity War,' Nebula is recruited to join the Nova Corps. Desperate to escape her father's shadow, she sets out to prove her detective chops.

In order to defeat Ultron, The Watcher breaks his oath and assembles a team of heroes from across the timelines.

Thor, who never learned to be a good hero, throws an out-of-control intergalactic party on Earth. He learns a neat trick the Skrulls can do, then meets Jane Foster for the first time.

When The Avengers are infected by a zombie plague, surviving heroes search for a cure.

Nick Fury struggles to launch The Avengers when candidates are targeted by a serial killer. Meanwhile, Loki presented himself to the Earth governments as king of Asgard using all his diplomacy.

After an ambush in the lab, Peggy Carter steps in and takes the Super Soldier serum and uses her newfound power and strength to charge right into battle.