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.
The thing about animation is that it's art. I know that seems a little obvious, but what makes an animation wonderful is when you forget that you're looking at something someone drew, painted or sculpted and believe completely in the world of the characters and their story...
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...