The Api Refrence states that the getReturn call will return among other things the Item Title in the summary.creation.item container. THIS IS NOT THE CASE, the title is not returned in the JSON reposnse object. Copied below the relevant part of the docs.
Would it be possible to get this field added to the container.
ReturnItemTypeAlwaysThis container provides information on the return item, including listing ID, listing title, order line item ID, and the quantity of the line item that is being returned.