Ectronymous Diamatron briefed Optimus Prime on the bridge of The Ark about a Cybertronian signal from Earth and believed reconnaissance should be easy. Ironhide suspected it was a Decepticon ambush. Jazz quipped he was being paranoid and reminded him there were no more Decepticons. Jazz speculated there was a hiccup in Ectronymous' system code. Ectronymous insisted the signal was legitimate and they should find out what it was. Optimus agreed but assigned Ectronymous on a solo mission to find the signal.
- On page 15 of Transformers/Ghostbusters Issue #5, Jazz is one of the Autobots kneeling to the possessed Optimus Prime in Megatron's fantasy.