Superheroes have themes that are common across a lot of different superheroes, for example Batman and Spiderman have both lost people. There are other themes like people who are driven to become superheroes like deadpool and wolverine.

 

An ideology is a belief shared by a group of individuals.

 

A common ideology in superhero films is that the superhero is tall,muscular and white. Another ideolgy is that the superheroes are seen as freaks like the mutants in the X-men.