YOU ARE READING Marvel Facts You Don't Know Random This is a book of marvel facts that has lots of facts people don't know. #facts #hulk #ironman #marvel #random #ultron #xmen Fact 1: Grey Hulk? 1.8K 64 11 by Supersmasher22 by Supersmasher22 Follow Share Post to Your Profile Share via Email Report Story Send Send to Friend Share Post to Your Profile Share via Email Report Story Hulk was originally grey.