Yes, but how difficult would it be to convince him to embrace the Catholic church if he is promised the throne of England.
In alternative, Phillip II could claim the English throne himself. His claim was technically stronger than any member of the House of Tudor. The Spanish royal family traced their descent to John of Gaunt, Duke of Lancaster via his daughter Princess Isabella of Portugal. Therefore both the Spanish and Portugese royal houses sprung from senior lines as compared to Henry Tudor.
In alternative, Phillip II could claim the English throne himself. His claim was technically stronger than any member of the House of Tudor. The Spanish royal family traced their descent to John of Gaunt, Duke of Lancaster via his daughter Princess Isabella of Portugal. Therefore both the Spanish and Portugese royal houses sprung from senior lines as compared to Henry Tudor.