visas: Should I marry my fiance from the US? UU in the United Kingdom or the USA UU., If we want to reside in the USA. UU after marriage?

I have a series of questions that will help me understand if I should marry my US fiancé. UU In the United Kingdom or the USA UU., If we want to establish ourselves in the USA. UU

  1. First of all, from a temporary and financial point of view, should I (British citizen) marry my boyfriend from the USA? UU In the USA UU Or the United Kingdom, if we want to reside in the USA. UU After marriage?

Yes United Kingdom:

(Working on the basis that my foreign fiancĂ© will enter the UK to marry a Marriage Visitor visa) …

  1. In accordance with the rule that you must advise at least 28 days in advance to get married in a UK Registry Office, my foreign boyfriend must remain in the United Kingdom between the notification in the Registration Office and the date of the ceremony. (minimum 28 days later). Or is it able to leave and re-enter the country during this time? That is, continue employment in your current place of residence.

  2. Based on the 6-month marriage visitor visa period:

to. Can my foreign national boyfriend stay in the UK beyond the marriage day with the existing marriage visitor visa (for a period of up to 6 months)?

second. If yes, and once you are married, can you leave and re-enter the United Kingdom with the same marriage visitor visa (within the 6-month visa period) in order to continue employment at your place of residence? ?

  1. Once you are married, and once the 6 month marriage visitor visa has expired, what type of visa can my foreign husband visit in the United Kingdom? (while we wait for the Visa for the US CR-1 spouse that allows me to move permanently to the US to be approved).

If we

  1. to. Can my British wife travel to the USA? UU For a visit, while the CR-1 spouse visa is in process, without causing complications?

second. If yes, on what type of visa?