Thomas vs. Iron Man is a Iron Man and Thomas the Tank Engine crossover animated with Super Heroes, Agents, Star Wars, City, and Indiana Jones Lego and Thomas the Tank Engine toys.
- Somebody's head can be seen when Iron Man says "Are you kidding me?"
- Diesel 10 appears as one of Thomas' friends despite being an enemy of Thomas throughout the majority of the Thomas and Friends TV series.
- Several non-sentient trains and trucks appear as Thomas' friends.
- Clones of Thomas, Henry, and several other engines appear as Thomas' friends.
- There is a green screen error also when Iron Man says "Are you kidding me?"
- When Iron Man says "Take this!", several transparent bricks can be seen under his foot holding him up.
- The Tesseract has no face when Indiana Jones picks it up.
- Fuse and many other Agents appear in this film, but are portrayed as S.H.I.E.L.D. agents instead, despite their logo appearing several times in the film.