Key Story Points

•Ronan kills Thanos and overthrows him instead of dying to him; Nebula later uncovers Nova Prime's own conspiracy and turns against her.

•Ego successfully recruits young Peter Quill; a grown, world-conquering Quill is stopped and turned against his father by Peggy Carter and Howard Stark.

•Happy Hogan is accidentally injected with Bruce Banner's serum and becomes the one who stops Justin Hammer's attack on Avengers Tower.

•Tony Stark is stranded on Sakaar after 2012's Battle of New York and has to beat the Grandmaster to get home.

•Captain Carter discovers Steve Rogers brainwashed inside the Hydra Stomper armor; he dies dismantling the Red Room, and Carter is thrown into another universe entirely.

•The Tesseract crashes in pre-colonial America and empowers Kahhori, a Mohawk woman who uses it against Spanish conquistadors.

•Hela is banished to medieval China instead of Asgard's dungeons and ends up uniting Asgard with the Ten Rings organization.

•Carter lands in a 1602 Avengers team and discovers Steve Rogers himself is the 'Forerunner' causing the timeline's temporal incursion.

•Strange Supreme is revealed to have spent the season capturing 'universe-killers' to resurrect his own dead universe — and finally succeeds by sacrificing himself instead of destroying anyone else's.

The full story

1. Nebula Joined the Nova Corps? — Ronan overthrows Thanos instead of dying to him. Five years later, Nova Prime recruits Nebula, who uncovers a conspiracy with Howard the Duck's help and turns on Nova Prime to stop it.

2. Peter Quill Attacked Earth's Mightiest Heroes? — Ego talks young Peter Quill into helping him spread across the galaxy. Grown and ravaging worlds, Quill is stopped and turned against his father by Peggy Carter and Howard Stark's Avengers.

3. Happy Hogan Saved Christmas? — Justin Hammer breaks out of prison and hits Avengers Tower on Christmas Eve for Stark's tech and Bruce Banner's blood. Happy Hogan gets accidentally dosed with the serum instead and beats him as a one-man, hulked-out rescue.

4. Iron Man Crashed into the Grandmaster? — Tony Stark misses his return trip from the 2012 Battle of New York and gets stuck on Sakaar, teaming with Korg and Valkyrie to take down the Grandmaster and get home.

5. Captain Carter Fought the Hydra Stomper? — Carter and Natasha Romanoff find Steve Rogers brainwashed inside the Hydra Stomper armor. Tearing down the Red Room costs Rogers his life, and a portal throws Carter into a Renaissance-flavored universe she didn't ask for.

6. Kahhori Reshaped the World? — The Tesseract crashes in pre-colonial America and empowers a young Mohawk woman, Kahhori, who uses it to defend her people from Spanish conquistadors and reclaim what was taken from them.

7. Hela Found the Ten Rings? — Odin banishes Hela to medieval China instead of Asgard's dungeons. She finds Xu Wenwu and the Ten Rings, and the two eventually unite Asgard and the Ten Rings to free the Nine Realms together.

8. the Avengers Assembled in 1602? — Carter's portal drops her into an Elizabethan-era team with a sorceress Wanda and spymaster Nick Fury, chasing an incursion she traces back to Steve Rogers himself, flung out of time as the 'Forerunner.'

9. Strange Supreme Intervened? (finale) — Strange Supreme reveals the season's real shape: he's spent it capturing 'universe-killers' to power a device that could resurrect his own dead universe. Carter and Kahhori free his prisoners and stop him — and Strange, instead of destroying anything this time, sacrifices himself to bring his universe back with Christine alive in it.