Infinity Stones
... that the Infinity Stones were not planned to be the MacGuffins of the Marvel Cinematic Universe's Infinity Saga until at least 2012?
... that the <b id="mwAuA"><a href="./Infinity_Stones" id="mwAuE" rel="mw:WikiLink" title="Infinity Stones">Infinity Stones</a></b> were not planned to be the <a href="./MacGuffin" id="mwAuI" rel="mw:WikiLink" title="MacGuffin">MacGuffins</a> of the <a href="./Marvel_Cinematic_Universe" id="mwAuM" rel="mw:WikiLink" title="Marvel Cinematic Universe">Marvel Cinematic Universe</a>'s Infinity Saga until at least 2012?