Originally Posted by The Overlord
I wouldn't mind seeing Gladiator, but don't think he would work as the main villain of a movie, rather he should be a pawn for some bigger badder villain. That happens a lot in the comics, Gladiator gets coerced or manipulated by another villain. I think Gladiator is interesting character, but its good to pair him up another more outright evil villain who is pulling his strings.
How about as the bigger, badder villain: Deathstalker.
He and Gladiator often worked together, with Gladiator as his henchman. They both fought DD several times, and Man Thing even showed up. Since Marvel own Man Thing, they could now have them all feature in a recreation of that story.