Even though 46 at the time, a young looking Schwarzenegger is the main character in a series of action movies. The teenager Danny is a huge fan and a magic ticket transports him into a movie in which Jack Slater is that main character.
I found this film because it supposedly combined comic book elements with film. There is -indeed- a cartoon cat in two scenes. For the rest the film is a bit of a screwball action film. The story is better than the film itself. Schwarzenegger is actually quite funny, but I am not too fond of kids in major parts.
McTiernan took the opportunity to experiment with filming going from 1950’ies black and white to hip action stunts. Also he opened a can of (then) famous actors towards the end.