32nd: Deadpool 2

Billed as: Wall Mural

Stan is 95 years old now, so perhaps it's asking a lot for him to show up as a live character in every Marvel film. Especially when he's battled pneumonia in the not-too-distant past, which would put a stop to most people's enthusiasm for appearing on camera. It's possible that's why Deadpool's sequel is Stan-lite, resorting to a blink-and-you-missed it appearance on a poster when Domino is skydiving. Orson Wells snuck in a similar cameo in the 1944 film Lifeboat, in the 'Before' and 'After' pictures in a newspaper advert, but then there wasn't space for him on that rescue vessel so he didn't have a choice.