- Shot back-to-back with Avengers: Infinity War (2018) over a period of 200 days.
- When Avengers: Endgame (2019) passed Titanic (1997)'s box office total, James Cameron sent a congratulatory message to Kevin Feige and Marvel Studios on dethroning his film - with a photo of the Avengers 'A' being the iceberg that sinks the Titanic.
- "Avengers: Endgame" is the first film to reach over a billion dollars during its opening weekend in theaters.
- (at around 9 mins) During the first meeting between the Avengers and Captain Marvel in the Avengers' headquarters, holograms are shown of those decimated by Thanos: Erik Selvig, Shuri, T'Challa, Sam Wilson, Stephen Strange, Peter Quill, Groot, Drax, Mantis, Hank Pym, Janet Van Dyne, Hope Van Dyne, Bucky Barnes, Peter Parker, Wanda Maximoff, Maria Hill, Sharon Carter, and Nick Fury.
- (at around 2h 35 mins) When Clint and Wanda reconnect after Tony's funeral, Clint laments the fact that Natasha may never know her sacrifice helped the Avengers win. Wanda reassures him by saying "She does. They both do." This is a silent acknowledgment of Vision.
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