Natalie Portman makes a rare Marvel event appearance in Endgame red carpet.
1 / 9
The actress plays Jane Foster in the MCU opposite Chris Hemsworth's Thor.
2 / 9
But her last appearance was in 2013's Thor: The Dark World.
3 / 9
With just a reference in 2015's Avengers: Age of Ultron.
4 / 9
Since then, Thor has gone through a major persona overhaul via Ragnarok.
5 / 9
Where fans learned that the couple has split.
6 / 9
It's unclear what prompted her to attend the Endgame premiere.
7 / 9
But many are theorizing that she might actually appear in the film.
8 / 9