When one thinks of Marvel Comics and characters interacting in their shared “world”, many assume this began with the early 1960's super-hero line, when Stan Lee had the Fantastic Four meet the Hulk and Spider-Man. While crossovers clearly grew in the Marvel Age, they didn't begin with them. Lee liked the idea very early on; one of his text features in the 1940’s had the Torch, Captain America and other Timely heroes meeting. The inspiration likely came from several sources. On radio the incredibly talented and popular Jack Benny had a friendly "rivalry" with Fred Allen and both occasionally guested on each others shows. The Battle of the Century! Jack Benny (on the left) and Fred Allen (on the right) were two comedians who were friends since vaudeville days. Their jibes at each other lasted for decades, moving from the radio into Benny's television show. I n movies Universal pictures successfully paired two of their monsters together in Frankenstein Meets The