Kidnapped, but not by the Legion of Superheroes. The Time Trapper did it - he's complicated, but if you imagined that 1940s Switzerland was a person and that person had the power and inclination to balance out the universe while still being, you know, Switzerland and not wanting to be bothered - that's the Time Trapper.

[ Robbie's chosen to focus on "this universe needs help" and ignore that the way of asking for it was pushy as heck. ]

That's... about right! Man, that's a relief. I'd hate to have to explain rock n' roll to a guy. And, no, not everybody. There's maybe six of us, but we're not all from the same world exactly. Or time. There used to be more, but people got sent home.