What we know so far.
>Rumored titles are AVENGERS: INFINITY GAUNTLET and AVENGERS FOREVER.
>Captain America, Iron Man, Thor, Hulk, Black Widow, Hawkeye, Falcon, Scarlet Witch, Vision, War Machine, Winter Soldier, Black Panther, Ant-Man, Wasp, Doctor Strange, Spider-Man, Captain Marvel, Pepper Potts, Happy Hogan, Harley Keener, Maria Hill, Nick Fury, the Guardians of the Galaxy, Loki and Thanos are all confirmed to appear in some capacity, such as flashbacks.
>Robert Downey Jr., Chris Evans, Chris Hemsworth, Mark Ruffalo, Scarlett Johansson, Jeremy Renner, Samuel L. Jackson and Tom Hiddleston are all reaching the end of their contracts and it’s unclear whether any of them will return for further installments, although they’ve all expressed interest and there is a BLACK WIDOW movie reportedly in development.
>It is the “final chapter” of the MCU. All loose ends will be tied up, the status quo will be radically changed, and numerous characters will be permanently written out.
>Characters sidelined in AVENGERS: INFINITY WAR, such as Hawkeye, Ant-Man and Nebula, will take center stage.
>Evangeline Lily has already stated that Wasp only has a small role in the movie.
>At one point, Hawkeye will be fighting crime as Ronin in Tokyo. Hiroyuki Sanada is playing the leader of the Yakuza in this subplot.
>At one point, Iron Man and Ant-Man apparently travel back in time to the Battle of New York, although conflicting reports claim they’re actually just using Iron Man’s memory machine.
>Rumors point to Thanos using the Infinity Gauntlet to revive certain dead figures such as Quicksilver and Crossbones in order to emotionally torment the heroes.
>Rumors point to the deaths of several characters, most notably Captain America and Iron Man.
>SPIDER-MAN: HOMECOMING 2 will begin “a few minutes” after the end of AVENGERS 4, and Peter Parker will be deeply affected by the events of the movie, adding credence to the death rumors.