Nearly a decade before a full animated series would arrive on Saturday Morning, Marvel Productions attempted to pitch an X-Men series for the 1983 network season, featuring the same team lineup that would appear in Spider-Man and his Amazing Friends episode "The X-Men Adventure", along with Francis Byte a.k.a Videoman, from the episode "The Education of a Superhero".
Written by Jeffrey Scott, the main presentation document for the ultimately unsuccessful pitch is available to read at Marvel Superheroes