Epic Team-Ups: Charlie Brown and Spider-Man by Charles Schulz and Joh Romita Sr.
The story goes that these two titans of the comics industry once met at a Comic-Con and decided to use their formidable powers to create a Universe-spanning crossover where Charlie Brown finally kicks that goddamn football with the assist from your friendly neighborhood web-head. It’s officially canon in my mind.
(source: scans-daily / reddit)