Trivia: Phineas and Ferb: Mission Marvel
- Hey, It's That Voice!:
- Throw It In: According to Jeff "Swampy" Marsh, via some online video of Alyson Stoner recording her part for the song "Only Trying to Help," she ad-libbed the end of the song where Isabella says "trying to help Phineas."
- The conversation between Thor and Iron Man regarding how wielding Mjolnir is about worthiness and not physical strength is based on an actual conversation between the show's writers and Marvel during production of the episode.