Avengers: Endgame re-release runtime confirms four minutes of extra footage on the road to Doomsday

Marvel is re-releasing Avengers: Endgame with new material designed to bridge the gap toward its upcoming Doomsday film. The enhanced version, titled Avengers: Endgame Encore, will include four additional minutes of footage not present in the original theatrical cut. This makes it the longest MCU theatrical release to date, extending what was already an epic runtime with content that sets up future storylines.

TL;DR

The four-minute addition serves as connective tissue between Endgame and the Doomsday project
Endgame Encore becomes the MCU's longest theatrical entry
The re-release strategy positions Marvel to remind audiences of the Infinity Saga before shifting toward its next major event