Six Flags ALWAYS does this...at SFGAm, they moved the Tidal Wave to SFoverGA to put in Batman at SFGAm. earlier on, they completely reprofiled the Turn of the Century into the Demon..added a vertical loop and a straightaway with a tunnel.
both of these rides were Arrow rides. SF has also removed from SFGAm Z-Force(went to Jersey i heard) and the Edge(also in Jersey)and Rolloing Thunder(even LAMER than DT, don't know where it went). out of all these, Z-Force and Tidal Wave were rather large steelies. Tidal Wave is now Viper, by the way...so it IS possible, but at CP, i think highly unlikely. look how they build the coasters in and around ecah other and the park..it all fits together like a puzzle...how else could MF blend in so well, like it's always been there??
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can't believe they cancelled the Simpsons after all these years...now look sad and say D'OH!!