China LOVES it some Endgame!!!
https://twitter.com/gavinfeng97/status/1123606872848605184https://twitter.com/gavinfeng97/status/1123606872848605184/photo/34 of the Top 10 Best Single Day Grosses belong to Endgame!!! Wow
The minute Endgame became the Highest Earning Import every, they celebrated by releasing a Stan Lee Tribute Poster

Box Office Monday:

I think domestic, that is the highest grossing "Non-Holiday/Day-off" Monday
i is as of now the 3rd highest behind Black Panther and TFA, which both profited off either a National Holiday or a School Day off on the 1st Monday.
Box Office Tuesday:

edit: and then there is this:
https://www.boxofficepro.com/avengers-endgame-delivers-record-3d-opening/Avengers: Endgame Delivers the Biggest 3-D Opening Of All TimeAnd early predictions for Total Gross come this Sunday (as of Tuesday:)
Domestic: $647m
Overseas(minus china) : $995m
China: $605m
Worldwide: $2247m
edit:
(current record for fastest to $2B = Avatar at 47 days. - Endgame on Track for 11 Days to $2B)
I'd expect at least another $250M+ Domestic by end of run
another $200M+ Overseas (minus China)
and another $100M from China, all before the end of the run
that would total us to: right about the same Gross as Avatar.... in the $2.8B range.
Can Endgame meet and/or exceed Avatar world wide?
I also hear it has yet to launch in Russia. not sure what BO Gross from Russia looks like though.
edit:
Wed total for US+China = $100M
China gross for Thursday already predicted at $50M (China may be putting up much more than that predicted extra $100M before end of run. LOL)