It was only a matter of time before the Disney toons got themselves mixed up with the greatest heroes of the Marvel Universe. The first two on that hit-list: Phineas Flynn and Ferb Fletcher.
Forget Avengers vs. X-Men or A-Babies vs. X-Babies, the big crossover news from Marvel at San Diego Comic-Con was Phineas and Ferb: Mission Marvel, a one-off special episode of the Disney Channel show that will mark the first animated crossover between Disney and Marvel properties...