In chronological order:
Swamp Thing (October 1990 - May 1991)
Batman: The Animated Series (September 1992 - September 1995)
X-Men: The Animated Series (October 1992 - September 1997)
Iron Man: The Animated Series (September 1994 – November 1997)
Fantastic Four: The Animated Series (September 1994 – February 1996)
WildC.A.T.S. (October 1994 - January 1995)
Spider-Man: The Animated Series (November 1994 – January 1998)
Ultraforce (October 1995 - December 1995)
Superman: The Animated Series (September 1996- February 2000)
Incredible Hulk (September 1996 - November 1997)
The New Batman/Superman Adventures (September 1997 - February 2000)
Batman Beyond (January 1999 – December 2001)
Batman Beyond - Intro by W_Jones
Spider-Man Unlimited (October 1999 - March 2001)
Avengers United They Stand (October 1999 - February 2000)
Note:The Silver Surfer (1998) intro was so "meh" I purposely didn't include it.
The '80s are considered the "golden age" of cartoons and the '90s are considered the "silver age".
@All_Thats_Bueno
Graphic City