Marvel and Doraemon: Heroes Unite!

Marvel and Doraemon: Heroes Unite! is a television special of the anime series Doraemon, that features characters from Marvel Entertainment, specifically in their incarnations from the Marvel Universe shows on Disney XD.

Summary
When Doraemon's latest gadget accidentally causes the Marvel heroes to lose their powers, they team up with Doraemon and friends to save the world from the Marvel villains.

Plot
It begins in New York City at night where Spider-Man, Hulk, Captain America, Iron Man, Thor, Black Widow, Wasp, and Ms. Marvel are hanging around when suddenly they get hit by a ray of Doraemon's latest gadget, causing them to lose their powers and even their super suits.

From Doraemon:

 * Doraemon
 * Nobita (Noby)
 * Shizuka (Sue)
 * Gian (Big G)
 * Suneo (Sneech)
 * Dekisugi (Ace)
 * Nobita's Teacher (Mr. S)
 * Nobita's Mother (Noby's Mother)
 * Nobita's Father (Noby's Father)
 * Sewashi (Soby)

From Marvel Universe:

 * Spider-Man
 * Iron Man
 * Captain America
 * Hulk
 * Thor Odinson
 * Hawkeye
 * Black Widow
 * Wasp
 * Ms. Marvel
 * Red Skull
 * MODOK
 * Venom
 * Doctor Octopus
 * Green Goblin