Maybe it's just me, but I feel like the Spiderman and X-Men cartoons from the early 90's were less, I dunno, little kid-ish? To me, the 90's cartoons felt like they were out of the comics. The art and animation in the X-Men cartoon looked like the comics to an extent. The cartoons made today seem like they were made for 4-year-olds and drawn dora the explorer style. Maybe it's because I was a kid in the early 90's and it's the whole "my generations better, back in my day" thing. Anyone else get what i'm sayin?
The 90's Batman cartoon was, of course, great too by the way.