|**Leap-Frog Chronology**|||||

--------
|Marvel Age Introductions by On-Sale Date|||||
|1966|DEC 8|DVL025|Daredevil|[Leap-Frog] [Mike Murdock]|
|1967|JAN 10|DVL026|Daredevil|xo[Leap-Frog • Stilt-Man • Masked Marauder]|
|1967|JUN 29|DVLA01|Daredevil Annual|xo[Emissaries of Evil • Electro • Leap-Frog • Stilt-Man • Matador • Gladiator]|