When we last saw them in Infinity War, The Avengers are left with half of Earth's population gone courtesy of Thanos and with it, most of their family, friends, and allies. What exactly that will entail is still up in the air, and if that is the case, it could include Steve Rogers getting his "retirement" with Peggy Carter (even though she went on to live a full life without Steve in current continuity).
Avengers: Endgame is released in United Kingdom cinemas on April 25.
How did he get back?
Ethiopian Airlines flight to Nairobi crashes with 157 people on board
The accident is likely to renew questions about the 737 Max, the newest version of Boeing's popular single-aisle airliner. Police and troops were on the scene, as well as a crash investigation team from Ethiopia's civil aviation agency.
They're all wearing new white costumes, that look very similar to the white suit worn by Hank Pym to explore the Quantum Realm in Ant-Man and the Wasp.
With just over a month until the blockbuster movie hits cinemas, the clip shows Brie Larson's character meeting Captain America, Thor, Bruce Banner and Black Widow as they try to save the planet.
Jackson, Gemma Chan, Jude Law and Lashana Lynch talk to BBC Radio 1's Film Critic Ali Plumb about Captain Marvel. "I like this one", Thor tells the rest of the Avengers.
The trailer flashes back to pivotal moments in each of the remaining Avengers' lives, giving weight to the long-held fan theory that the installment will find the superheroes journeying through their past to remedy the rapture in the present. Avengers: Endgame releases Friday, April 26.