The Marvel Cinematic Universe is a massive success.<br />However, X-Men are not a part of the MCU.<br />Some fans would love to see Wolverine fighting along side Iron Man in a movie.<br />However, Screen Rant argues the X-Men would have ruined the MCU.<br />The X-Men would have been Marvel's top tier characters and would have distracted from the Avengers.<br />The early MCU would not have been able to do the X-Men justice. <br />
