Avengers: Fallen Heroes

Avengers: Fallen Heroes (formely known as Avengers 4) is an upcoming 2019 American science fiction action adventure film produced by Marvel Studio. This film his 22th main installment of the Marvel Cinematic Universe and the final installment of the Phase Three.

Synopsis
After the Avengers lost the battle agaisnt Thanos, and most of the population dissapear, Tony Stark (Robert Downey Jr.) and Nebula (Karen Gillan) goes on earth to meet the other Avengers to talk about his idea...build there own Infinity Gauntlet.