Premise: Captain America . Created by cartoonists Joe Simon and Jack Kirby , the character first appeared in Captain America Comics # 1 ( cover dated March 1941 ) from Timely Comics , a predecessor of Marvel Comics . Captain America was the first Marvel Comics character to have appeared in media outside comics with the release of the 1944 movie serial , Captain America .
Hypothesis: Captain America had a movie serial in 1944.
Label: ENTAILMENT