Previously On
... that Wanda Maximoff was referred to as the "Scarlet Witch" for the first time in the Marvel Cinematic Universe in the WandaVision episode "Previously On"?
... that <a href="./Wanda_Maximoff_(Marvel_Cinematic_Universe)" id="mwBfw" rel="mw:WikiLink" title="Wanda Maximoff (Marvel Cinematic Universe)">Wanda Maximoff</a> was referred to as the "<a href="./Scarlet_Witch" id="mwBf0" rel="mw:WikiLink" title="Scarlet Witch">Scarlet Witch</a>" for the first time in the <a href="./Marvel_Cinematic_Universe" id="mwBf4" rel="mw:WikiLink" title="Marvel Cinematic Universe">Marvel Cinematic Universe</a> in the <i id="mwBf8"><a href="./WandaVision" id="mwBgA" rel="mw:WikiLink" title="WandaVision">WandaVision</a></i> episode "<b id="mwBgE"><a href="./Previously_On" id="mwBgI" rel="mw:WikiLink" title="Previously On">Previously On</a></b>"?