As we are moving to a world of online learning. This google slides file can provide an editable venn-diagram your students are able to type answers into. Help them organize their thoughts as to what is similar and different when comparing characters, stories, events, settings, etc.
https://docs.google.com/presentation/d/1bghh77EyFLqmwOnOM3O-3y5HZbSnPFupAbWtAZv6gCU/edit?usp=sharing