When “Wicked” and “Gladiator II” debuted together late last month, there was a painful attempt to call their shared box office success “Glicked” — a reference to the portmanteau of “Barbenheimer” that described the joint cultural triumph of “Barbie” and “Oppenheimer” in the summer of 2023. It was painful because the “Barbenheimer” phenomenon was a genuine old-fashioned Hollywood success story: Two unusual and vivid and original stories (based, yes, on real history and a famous doll, but no less creative for all that) from directors working near the peak of their powers that managed to be culturally relevant and open for interpretive debate..