The Marvel Cinematic Universe could use different eras of the X-Men comic books as inspiration for their upcoming "Mutant Era ...

The original theme from USA's Monk was an instrumental by Jeff Beal that played over the opening credits for the first season and at different times ... sitcom's in-universe era.

Then he gave his serious response by explaining why he believes it isn’t fair to compare players from different eras. “It’s totally different, so you can’t compare this era with that era ...