2. Worn, used, stained, animal hair attached or altered items can not be returned. Special Sale items/Clearance products can not be returned for refund, we can offer exchange for them but only the sizes in stock can be exchanged. 1. If you return part of the costumes, mortal kombat halloween costume the payment can not be refunded. Q: If I received damaged or incomplete costumes, captain marvel costumes what should I do? Please return the costumes back with a shipping number.