When Dr. Doofenshmirtz's latest invention causes the Marvel heroes to lose their powers, they team up with Phineas and Ferb to save the world from Doofenshmirtz and the Marvel villains.
When Dr. Doofenshmirtz's latest invention causes the Marvel heroes to lose their powers, they team up with Phineas and Ferb to save the world from Doofenshmirtz and the Marvel villains.
