Final answer:
The Fleischer's Superman series is distinguished by its bold use of color, rotoscoping technique for fluid animation, and atmospheric lighting effects.
Step-by-step explanation:
The Fleischer's Superman series is notable for several visual characteristics that set it apart from other animation in its era.
First, the series utilized a bold color palette that brought the dynamic action to life, reflecting the comic book's origin. Second, the animations demonstrated advanced technical features like rotoscoping, which gave the characters more fluid, lifelike movements.
Lastly, the series is known for its dramatic and atmospheric lighting effects, which added a level of seriousness and intensity to the storytelling, foreshadowing the darker and more complex superhero narratives that would emerge in later decades.
The Fleischer's Superman series is distinguished by its bold use of color, rotoscoping technique for fluid animation, and atmospheric lighting effects.