By way of 42 Blips: if you like vintage Japanese Sci-Fi, Marvel.com is streaming free episodes of the 197os Japanese TV "Spider-Man" series. This series has a different character set; Spidey is a motorcycle racer in this series.

According to Wikipedia, the basic premise of this series of stories is as follows:

Young motorcycle racer Takuya Yamashiro sees a UFO falling to earth, in fact a combat spacecraft named the "Marveller". Takuya's father Dr. Hiroshi Yamashiro, a space archaeologist, investigates the case. The incident also brings the attention of Professor Monster and his evil Iron Cross Army (Tetsu Jūji Dan?), an alien group that plans to rule the universe.