User blog comment:Damac1214/Back in Black - Call of Duty: Black Ops III teased, reveal trailer coming April 26th/@comment-7712049-20150411013651/@comment-3361508-20150411054414

Most likely no exo suits. If Treyarch started developing this really soon after BO2, there's no way they'd know about exos unless Sledgehammer told them during production.