Oh boy, this was a weird thing to drop, but it was the truth. As far as he knew it anyway.

"I was dead," Rich explained. "I turned into a dimensional door and dissipated into energy. To save some of my friends."

Hopefully, Thanos hadn't come through but it had to be done. He couldn't leave them there and something had to be done with the cosmic cube since it hadn't burnt out the way they'd expected. Otherwise, the nasties in the Cancerverse could've gotten their hands on it and could've potentially used it to wreck havoc back home.

"I know that sounds crazy. I can barely believe it myself. But it definitely happened and yet here I am."

Somehow.