Re: Details of interpreting verses from the Qur’an and obvious blunders
Brother this perfectly fits in our version of the story , coming back of Isa Alaihasalam. See when Hadrat Isa(as) came jews and other mocked him even tried to kill him, Hadrat Isa(as) second coming will only be as ummati, there will be no new shariyat ,even he will pray behind an ummati - Hadrat mehdi .
Conversion under ikrah is not acceptable ( there is a famous debate among fuqaha that only nikah and talaq may at times gets acepted under ikrah ) nothing else is valid. So if there is ikrah then such eman is not accepted. If narrations has it that all will be following isa(as) then logicaly there must not be any ikrah.
Waisay Brother Ibn sadique has already answered your question