Palm Beach prices are Marvel-ously on the rise — thanks, unintentionally, to Mayor-elect Zohran Mamdani. A retired Marvel Entertainment CEO’s home — five minutes from Mar-a-Lago — is now asking $24.95 million, Gimme Shelter has learned. That’s a $6 million increase over its its last asking price of $18.95 million just seven months ago.  The oceanfront townhouse, which was built in 1981 and recently re-designed with new interior decor, is at 2 Sloans Curve, a gated community known as the