Regarding disregarded entity if husband and wife own jointly an LLC that was opened in Florida is it still considered as one person and would not require any LLC tax return filing (because it would be considered a disregarded entity).  Thank you

P.S. Assuming it is not a disregarded entity since it is owned by 2 people can husband gift his wife his half to make it fully owned by the wife to make it a single member LLC and therefore make it a disregarded entity?