Making an ATL: WI Mary I had birthed a child?

If Henry lives long enough to marry a Valois princess he could inherit Spain, Portugal, Ireland, England, France, much of Italy, and the associated colonies. Should they have a son who marries into the HRE branch of the Habsburgs and reunites those lands, most of Europe east of the Bug and north of the Danube comes under the control of one monarch.
 
So, correct me if I'm wrong, but the likely scenario is that Philip is excommunicated by the state and Henry IX is raised to be indoctrinated by the state, yes? Would this lead to an earlier Anglo-Spanish war?
 
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