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I remember an arc in the Dick Tracy comic strip in the 1980s where the villain was a cryonics expert who had invented some quick way to thaw out corpsicles and thus revive arch criminals of the past.

https://dicktracy.fandom.com/wiki/Dr._Kryos_Freezdrei

That is a stellar bad guy name.

Dick Tracy had the such over the top villains... nearing on superhero comic stuff, which it competed with. I don't think there was any multiverse arc, though.

I think the harder part is freezing fast enough. Experiments have been done with freezing and thawing small mammals. They survived but there was a maximum size after which they couldn’t be frozen solid pretty much instantly.

Same.-

Long way to go yet though. So, we bring - let's say - Disney back. How do we reanimate? Apart from, of course, curing what killed them.-

First thing that came to my mind too, always wonder whether we'd ever get that far. Can we make our brains persist on ice?

I would say more research needed, but it seems promising to me. After we get it working for transplant organs would probably be a better time to investigate this application.