No surprise, then, that Samuel Beckett’s dystopian nightmare Endgame has a modern resonance. Difficult, dark and bitter, it's a play riddled with existential angst — an extremely disturbing work.

Here are some hard-to-spot cameos that made it into Endgame, including both of Joe Russo's children.

There was probably some debate regarding the most famous moment, I think, of all the Marvel films, which is the portals opening at the end of Avengers: Endgame. The original concept was that the ...