back to the future

Movies
Kevin Polowy
'Avengers: Endgame' writers admit time-travel plot was so confusing they had to shoot new scenes to explain it
"Avengers: Endgame" Christopher Markus and Stephen McFeely talk about their "Back to the Future" problem.
Entertainment
Gwynne Watkins
Do the 'Back to the Future' time-travel rules apply to 'Avengers: Endgame'? (Spoilers!)
Doc Brown and Tony Stark's time-travel methods, compared, paradoxes, plot holes and all.
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