Ryan Gosling is entering the Marvel Cinematic Universe – on a motorbike, in flames, wearing a leather jacket. What could go wrong?

After coveting the role for years, Gosling has been announced as the new Ghost Rider – a superhero stunt rider with powers bestowed by Satan. Is this a smart move all round or has he sold his soul to the devil? Steven Spielberg once said: “If a person can tell me the idea in 25 words or less, it’s going to make a pretty good movie.” And Marvel’s most popular big-screen superheroes can be described using less than half that number. Iron Man is a tech bro in a tin suit; Spider-Man has the…