[Nebula is fitting a time travel suit onto Clint Barton] Banner : Clint, now you're gonna feel a little discombobulated from the chronoshift, don't worry about that-- James Rhodes : Wait, wait, wait a second. Let me ask you something. If we can do this, you know…go back in time, why don't we just find baby Thanos, you know, and… [makes a gesture of strangling a baby with a rope, complete with "choking sound"] Banner : [disgusted] First of all, that's horrible ... Rhodes : It's Thanos . Banner : ...and secondly, time doesn't work that way. Changing the past doesn't change the future! Scott : Look, we go back, we get the stones before Thanos gets them? Thanos doesn't have the stones. Problem solved! Clint Barton : Bingo. Nebula : That's not how it works. Barton : Well, that's what I heard. Banner : What, by who? Who told you that? Rhodes : [counting with his fingers] Star Trek , Terminator , Timecop , Time After Time … Scott : … Quantum Leap … Rhodes : Wrinkle in Time , Somewhere in Time … Scott : Hot Tub Time Machine … Rhodes : Hot Tub Time Machine , Bill and Ted's Excellent Adventure - basically, any movie that deals with time travel. Scott : Die Hard ? No, that's not one. Rhodes : This is known. Banner : I don't know why everyone believes that, but that isn't true. Think about it. If you travel to the past, that past becomes your future. And your former present becomes the past , which can't now be changed by your new future! Nebula : Exactly. Scott : [confused] So Back to the Future is a bunch of bullshit?

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