Stan Lee never saw Avengers: Endgame before he died

It's one of the things we've learned from a Reddit Q&A with Marvel Studios boss Kevin Feige.

Stan Lee's Fantastic Four cameo involved pre-MCU Kevin Feige

AVENGERS: ENDGAME : Robert Downey, Chris Evans, Mark Ruffalo, Chris Hemsworth, Scarlett Johansson, Jeremy Renner, Don Cheadle, Paul Rudd, Benedict Cumberbatch, Chadwick Boseman, Brie Larson, Tom Holland, Karen Gillan, Zoë Saldana

Stan Lee - Wikipedia

The Spider-Man Character Stan Lee Wanted To Play In A Movie - IMDb

Stan Lee's 25 greatest big-screen Marvel cameos

NJ Monthly - December 2022 - Stan Lee's Jersey Dreams

The evolution of the Stan Lee cameo

I'm not crying you are : r/dankmemes

The Trial of the Incredible Hulk (TV Movie 1989) - News - IMDb

Stan Lee's pre-Marvel movie cameos speak volumes about the comic creator - Polygon