Board Thread:Questions and Answers/@comment-5787678-20130307142610/@comment-24679734-20131122020740

Lego Master wrote: Derrick confirmed a while ago that Ben would not use the Ultimates in Omniverse, and that the Omnitrix does not have an Evolutionary Function, Though it is quite possible a new series may spawn that Ben may use the Ultimatrix in. It wouldn't be the first time.