And there was the question he hadn’t wanted to hear. But like he could deny Wanda it. He was the one that opened the can of worms. He could have just not mentioned the Maximoff twins.

“You... you named them Thomas and William Maximoff. And no, I didn’t know them.”

It’s math just about anyone can do. A question anyone can jump at. She had twins named Thomas and William. His name was Tommy and he had someone he claimed as a twin named Billy. The way the powers lined up. How he knew what he did about the Scarlet Witch and he had come to her.

She’s asked if he was keeping anything from her. And now the answer of ‘a lot’ implied worlds more, didn’t it?