Just got it to work by accident, combination of refreshing the page and then actually right clicking the marvel machine itself and clicking "Reload" got it to work for me, but it is actually buggy.
I can't spin either, getting the same error message but I'm a GMS player from Bera, live in the States.
EDIT: Just got it to work by accident, combination of refreshing the page and then actually right clicking the marvel machine itself and clickin…