Starscream's complaints about Elita One go largely ignored; Megatron is absolutely distracted by what he's implying about past relationships.

"Are you telling me," he says, turning his whole upper body to face Starscream, "that in the timeline you've come here from, your version of Megatron and Orion Pax were..."

He looks... appalled? Absolutely aghast. A little lost.