(at around 1h 6 mins) When he travels to the future, Fin says "I wonder what Deadpool movie we're on." In Deadpool 2 (2018), while fighting Deadpool, Cable says "The name's Cable, I'm from the future." Deadpool replies "Oh, you're from the future? I have 3 questions then. (1) is Dubstep still a thing? (2) Which Sharknado are we on?"
(at around 46 mins) The steam engine 482 is a working engine of the Durango & Silverton Railroad in Durango, Colorado.
(at around 3 mins) Fin slides down a dinosaur's tail like Fred Flintstone.
Final film in the Sharknado franchise.