The Mitten Comparison packet from Kinder Lake includes the story The Mitten adapted by Jan Brett and Retold by Jim Aylesworth.
I used a retelling freebie for the Mitten adapted by Jan Brett. There are many free ones out there.
Retelling pages for The Mitten from Jim Aylesworth
Character cards for a cut and paste option
Venn Diagram for the two versions of The Mitten (Jan Brett & Jim Aylesworth)
Animal cards for a cut and paste option with the Venn Diagram