Here are ten of the most worthy candidates and make sure you let us know who we’ve missed in the comments section below.
10. Wonder Man
When Joss Whedon was asked which other Avengers he would like to bring to the big screen last year, he replied: “A boatload. Pretty much everyone but Wonder Man. I never did figure out what he was for.” Oh. Probably best not to get our hopes up on this one then, but introducing Simon Williams wouldn’t be the worst thing Whedon could do.
After all, he first joins them at the behest of the villainous Baron Zemo, but ultimately sides with the superhero team and becomes an integral part of the Avengers. In fact, it’s his brain patterns which Ultron – a murderous android inadvertently created by Hank Pym – uses to create the next superhero on this list…