Originally Posted by 2MuchMark

There are some really good ones out there.

The "best" and most complex time travel movie is probably "Primer". It's low budget and slow moving but pays off big-time if you like complex but logical paradoxes in time travel movies.

"Predestination" is one of my favourites too. Extremely smart, really well done. Just don't tell anyone you're going to watch it because if they have seen it they are liable to spoil it for you. Don't even look it up, just watch it.

For a goofy-fun time travel movie, "Hot Tub Time Machine" is great. Very funny, very raunchy.

And of course, there's Avengers:Endgame...