At this point, all you’d need is for Happy to awaken in his hospital bed and say, “Stan bless us, everyone,” and you’d have a pretty spot on version of A Christmas Carol. As it stands though, in an unconventional, yet reasonably defined context, Iron Man 3 is definitely a Christmas movie that takes Ebenezer Scrooge’s traditional journey of soul searching, and puts it in one of Tony’s suits of super-powered armor.
Article source: https://www.cinemablend.com/news/2485892/surprise-iron-man-3-is-a-secret-christmas-carol-remake