One's a billionaire who dresses up as a giant bat to fight crime. The other is a billionaire who wears a shiny iron suit to fight crime. Yes, Batman and Iron Man have a quite a lot in common, despite being on opposing sides of the DC and Marvel comic book divide.
We love all of the films that both of these heroes have featured in but how do we compare them and decide an ultimate winner? With 5 rounds of specially selected categories, that's how!
So who has the best suit, and who tells the best jokes? And they're both in the billionaires club but who is the richest? Find out in this ultimate showdown!