Phineas and Ferb: Mission Marvel is a crossover between the hit Disney series, Phineas and Ferb and the Marvel Comics franchise.
Spider-Man, Iron Man, Thor, and Hulk enter Danville after Dr. Doofenshmirtz's latest "inator" scheme accidentally removes their powers and immobilizes them. It's up to Phineas and Ferb to team up with the Marvel superheroes to help them regain their powers and defeat Marvel villains: Red Skull, Whiplash, Venom and M.O.D.O.K. who are working together with Dr. Doofenshmirtz to use his power-draining technology to create mayhem.
- Vincent Martella as Phineas Flynn
- Ashley Tisdale as Candace Flynn
- Thomas Sangster as Ferb Fletcher
- Alyson Stoner as Isabella Garcia-Shapiro
- Caroline Rhea as Mom
- Dan Povenmire as Dr. Doofenshmirtz
- Jeff "Swampy" Marsh as Major Monogram, Gordon Gutsofanemu
- Tyler Alexander Mann as Carl
- Dee Bradley Baker as Perry the Platypus
- Bobby Gaylor as Buford Van Stomm
- Maulik Pancholy as Baljeet Tjinder
- Kelly Hu as Stacy Hirano
- John O'Hurley as Roger Doofenshmirtz