Almost Superheroes.....

I've noticed a weird little sub-genre pop up within the superhero movie genre: the superhero movie NOT based upon already existing comic book source material...here's some examples on VHS...

Title: HERO AT LARGE (1980)

Manufacturer:  MGM/UA Home Video

Date: 1984

Title: INFRAMAN (1976)

Manufacturer:  PRISM Entertainment

Date: 1985

Title: DOCTOR MORDRID (1992)

Manufacturer:  Paramount Home Video

Date: 1992

Title: CONDORMAN (1981)

Manufacturer:  Anchor Bay Home Video

Date: 1999