91 movies, including TV movies and animated movies.
Superhero movies not based on specific comics are in red.
SUPERIOR 
Superman (1978)
The Crow (1994)
The Matrix (1999)
EXCELLENT
Superman Returns (2006)
Batman (1989)
Batman Returns (1992)
Batman Begins (2005)
X-Men (2000)
Hulk (2003)
Blade (1998)
Superman II (1980)
Teenage Mutant Ninja Turtles (1990)
Casshern (2004) - Technically based on a cartoon show, but a superhero movie nonetheless
RoboCop (1987)
GOOD
V for Vendetta (2006)
Elektra (2005)
Batman Forever (1995)
Fantastic Four (2005)
Spider-Man 2 (2004)
X2 (2003)
Superman III (1983)
The Punisher (2004)
Hellboy (2004)
The Rocketeer (1991)
The Mask (1994)
Blade II (2002)
LXG (2003)
Ghost World (2001)
Batman: Sub-Zero (1997)
Batman Beyond: Return of the Joker (2000)
Daredevil (Director's Cut) (2003)
The Batman/Superman Movie/World's Finest (1998)
Princess Blade (2002)
Bichunmoo (2000)
The Incredibles (2004)
The Matrix Reloaded (2003)
The Matrix Revolutions (2003)
The Addams Family (1991)
The Addams Family Values (1993)
The Incredible Hulk (1977)
FAIR
Blade Trinity (2005)
Spider-Man (2002)
Catwoman (2004) I KNOW I'm going to get in trouble for putting both Spidey and CINO in the same category, but apart from Spidey being more faithful to the comics, it doesn't have much more going for it than CINO.
Supergirl (1984)
Batman (1966)
The Punisher (1989)
The Phantom (1996)
Men in Black (1997)
From Hell (2001)
Flash Gordon (1980)
Batman: Mask of the Phantasm (1993)
Spider-Man Strikes Back (1978)
Barbarella (1967)
Casper (1994)
Star Kid (1994)
The Flash (1990)
MARGINAL
Batman & Robin (1997)
Swamp Thing (1982)
The Shadow (1994)
Dick Tracy (1990)
Blade Trinity (2004)
Teenage Mutant Ninja Turtles II (1991)
Teenage Mutant Ninja Turtles III (1993)
The Incredible Hulk Returns (1988)
Spider-Man: The Dragon's Challenge/The Chinese Web (1979)
Darkman (1990)
Black Mask (1996)
Van Helsing (2004)
POOR
Captain America (1990)
Judge Dredd (1995)
Return of the Swamp Thing (1989)
Guyver: Dark Hero (1994)
Superman IV (1987)
Mystery Men (1999)
Steel (1997)
Justice League of America (1997)
The Crow: City of Angels (1996)
Spawn (1997)
The Trial of the Incredible Hulk (1989)
The Death of the Incredible Hulk (1990)
Condorman (1981)
RoboCop 2 (1990)
Sheena: Queen of the Jungle (1984)
Asterix the Gaul (1967)
SUCK-O-RAMA 
TimeCop (1994)
Blulletproof Monk (2002)
The Guyver/Mutronics (1991)
Popeye (1980)
Dennis the Menace (1985)
RoboCop 3 (1993)
Darkman II: Return of Durrant (1994)
Darkman III: Die, Darkman, Die! (1996)
The Flash II: Revenge of the Trickster (1991)
The Flash III: Deadly Nightshade (1992)
TO ADD...
Zebraman (2004)
Devilman (2004)
Silver Hawk (2004)
Josey and the Pussycats (2001)
Nick Fury, Agent of SHIELD (1998)
Dennis (1993)
Fantastic Four (1994)
Fantastic Four (2005)
The Amazing Spider-Man (1977)
Meteor Man (1993)
Asterix and Obelix Take On Cesar (1999)
Asterix and Obelix: Mission Cleopatra (2003)
Witchblade (2000)
Blankman (1993)
