The phrase "new disguises" refers to disguises that are different or have not been seen before. It implies that someone or something is trying to appear different or hide their true identity. Full definition
New disguises inspired by Freedom Fighters, Kane & Lynch and Mini Ninjas — previous IO Interactive games — are now available in the boxed copy. (cogconnected.com)
Vanity presses under new disguises these days tell a writer that they will produce a writer's book for a set amount of money and then ship the writer thousands of really ugly books for the writer to try to sell or store in their garage. (deanwesleysmith.com)
Wei Shen dons new disguises in the Square Enix Character Pack DLC. (n4g.com)