https://comicbook.com/marvel/2019/04...-travel-works/
"It's not a time loop," according to Joe Russo in a recent Q&A. "Both Ancient One and Hulk were right. You can't change the future by simply going back to past. But it's possible to create a different alternate future. It's not butterfly effect. Every decision you made in the past could potentially create a new timeline. For example, the old Cap at the end movie, he lived his married life in a different universe from the main one. He had to make another jump back to the main universe at the end to give the shield to Sam."
即係話Cap跳翻去還石同埋冇再翻嚟，而最後同Carter一齊的，其實果條已經係另一條新timeline，然後佢到老咗90幾歲時，再經quantum realm翻嚟比個盾Falcon。即係話原MCU timeline冇改過，Carter都係冇同Cap一齊，識咗另一個老公。而原MCU的Cap就喺還石時跳去另一timeline生活咗50-60年，再跳翻嚟交盾、聚舊、退役。
當然我原本的說法都唔係唔通，原MCU timeline一直就係Carter隱瞞（為咗唔想劇透Endgame，劇透會比人打的），所以Cap一直係佢老公，而年輕Cap解封去搵佢時，佢果句"因為
你我先識到我老公"，係語帶相關。
官方當然比較合理，因為老Cap係突然出現喺長椅上，所以佢係time jump翻嚟的。
我諗到有咗呢個技術都幾茅，有咩野搞唔掂，未又time jump搵人搵石幫手囉，既然冇蝴蝶效應，受害的至多係其他timeline。不過亦都可能係咁，下一個saga可能就係講報應，一係講time travel的報應(Kang the Conqueror)，一係講multiverse的報應(Secret Wars)。講Kang係好大可能的，因為佢好大可能已經出現咗（如果知道Kang故事的，應該估到我講邊個）！
諗起Ancient One果一幕，當佢聽到Strange居然放棄time stone，就改變主意比Hulk拎石。其實佢本來都係墨守成規的，又要守規矩唔用粒石，但又唔可以毀咗粒石，係始終覺得有件秘密武器喺身邊先有安全感，又或者係死守保衛者之名。但係Strange就唔同，多次用粒石，而且最後係敢去放棄，反而教識Ancient One去放棄。今次亦解答咗大家，下次Doctor Strange 2冇可能再用上次個招了。
