Avengers: Endgame (2019) Timeline Explained – Every Event in Order

Thanos destroyed the Infinity Stones because he wanted to prevent anyone from reversing his actions. After achieving his goal of wiping out half the universe, he believed the Stones' work was done and that keeping them would only tempt others to undo what he had accomplished. He destroyed them on his farm, leaving the Avengers with no way to bring back those who were lost.

• thanos
• infinity stones
• destroyed
• snap
• reverse

Scott Lang escaped the Quantum Realm by accident. While trapped inside, a rat wandered into the quantum tunnel's controls and accidentally activated the device, opening a portal that allowed Scott to exit. He emerged in San Francisco five years after the Snap, confused to find the world drastically changed.

• scott lang
• quantum realm
• rat
• escape
• time jump

Natasha died because obtaining the Soul Stone requires sacrificing someone you love. When Clint and Natasha reached Vormir, they realized only one could survive. Both tried to sacrifice themselves, but Clint had more to live for, he had his family return after the Snap. Natasha let go of the cliff, sacrificing herself so Clint could bring back the Soul Stone and ultimately everyone who was lost.

Foreshadowing: Earlier scenes show Natasha as the one who keeps the team together and often puts the mission above her own needs.

• natasha romanoff
• vormir
• soul stone
• sacrifice
• clint barton

Tony Stark died because using the Infinity Stones is fatal to humans. Even with his suit's nanotechnology helping distribute the energy, the power of all six Stones was too overwhelming for a mortal body to survive. Tony snapped his fingers to defeat Thanos and his army, but the lethal radiation instantly destroyed his cells, leading to his death despite Nebula's medical efforts.

• tony stark
• death
• infinity stones
• snap
• sacrifice

Thor beheaded Thanos in a moment of rage and desperation. After traveling to Thanos's farm and ambushing him, the Avengers discovered he had already destroyed the Infinity Stones. With no way to reverse the Snap and bring back their fallen friends, an emotionally broken Thor lashed out and decapitated the already-defeated, armless Thanos.

• thor
• thanos
• behead
• destroyed stones
• rage

Steve chose to stay in the past because he decided to live the life he always wanted with Peggy Carter. After returning the Infinity Stones to their original timelines, Steve used the remaining Pym Particles to travel back to the 1940s. He lived a full life with Peggy, growing old, while a different version of him remained frozen in ice for decades.

Foreshadowing: During the 2012 time heist, Steve secretly observes Peggy from afar, showing his lingering regret about their unresolved relationship.

• steve rogers
• past
• peggy carter
• time travel
• lived life

Clint became Ronin because the Snap killed his entire family, his wife Laura and their three children vanished. Consumed by grief and anger, Clint abandoned his Hawkeye identity and became a ruthless vigilante called Ronin, hunting down criminals worldwide and killing anyone he deemed worthy of death. His family was everything to him, and losing them broke him.

• clint barton
• ronin
• vigilante
• family
• snap
• grief

The Avengers used Pym Particles combined with Tony Stark's modifications to the Quantum Realm technology. This allowed them to create a time-space locator that could send team members to specific moments in the past. However, they couldn't change their own timeline, any changes created alternate timelines. That's why they had to return the Stones to their original points in time after using them.

• time travel
• quantum realm
• pym particles
• alternate timeline
• steve rogers

The Avengers couldn't bring Natasha back because the Soul Stone works on a one-for-one exchange, you give a soul to receive a soul. When Natasha sacrificed herself on Vormir, she gave her soul to obtain the Stone. Even with the Stones, there's no way to reverse that specific exchange. The Soul Stone's rules are absolute and cannot be bypassed.

Foreshadowing: The Red Skull explicitly states the Soul Stone requires an exchange and cannot be used otherwise.

• natasha romanoff
• soul stone
• bring back
• resurrection
• exchange

Steve gave his shield to Sam Wilson because he wanted Sam to become the next Captain America. After choosing to stay in the past with Peggy, Steve knew he wouldn't be returning to his former role. He recognized Sam's character, leadership abilities, and honor as worthy of carrying the shield and continuing Captain America's legacy.

Foreshadowing: Sam and Steve's friendship developed throughout the MCU, with Sam proving himself as a soldier and hero.

• steve rogers
• sam wilson
• shield
• captain america
• legacy

Thanos learned about the Avengers' plan through Nebula, who was captured from the past. This Nebula had a connection to her future self, allowing Thanos to access the Avengers' communications. He traveled forward in time with his entire army to stop them and destroy the universe himself, knowing they had already reversed his work.

Foreshadowing: The Nebula with the Avengers in the present was connected to Thanos through the past version.

• thanos
• return
• battle
• nebula
• army
• time travel

Thor became depressed because he blamed himself for failing to stop Thanos. When he had the chance to cut off Thanos's head before the Snap, he hesitated and talked instead, allowing Thanos to complete his plan. This guilt, combined with the loss of his brother Loki and half his people, drove Thor into isolation, where he ate, drank, and withdrew from everyone.

Foreshadowing: In Infinity War, Thor tells Rocket that he should've gone for the head.

• thor
• depression
• guilt
• overweight
• failure
• thanos

Steve Rogers returned each Infinity Stone to its exact original location in the timeline after the Avengers used them. He traveled back to return the Space Stone to 1970, the Mind Stone to 2012, the Reality Stone to 2013, the Power Stone to 2014, the Time Stone to 2014, and the Soul Stone to its original place on Vormir. This prevented the creation of alternate timelines.

• infinity stones
• returned
• steve rogers
• timeline
• alternate reality

Rocket joined because he lost his family and friends on Xandar when Thanos performed the Snap. As a member of the Guardians of the Galaxy who was there during the attack, Rocket had personal stakes in reversing the Snap. His expertise with technology and the Quantum Realm made him invaluable to the mission, and he was one of the few remaining original team members.

• rocket
• avengers
• time heist
• xandar
• family
• lost