Marvel fans are stunned when people leave MCU films before the post-credits scenes. 1 / 7
Stingers have been an MCU staple since the original Iron Man. 2 / 7
They can either tease the franchise's future or provide some comedic relief. 3 / 7
A poll showed 79% of people seeing Endgame were surprised when others leave during the credits. 4 / 7
97% of those polled said they consistently stay for the post-credit scenes. 5 / 7
In today's busy society, not everyone has time to stay through the credits. 6 / 7
But die-hard MCU fans will keep general audiences in the loop. 7 / 7