After Talokan, What Other Hidden Nations Could Be In The MCU?

After Black Panther: Wakanda Forever revealed the hidden undersea kingdom of Talokan, there is a strong possibility that more hidden locations are going to be revealed in the Marvel Cinematic Universe. Wakanda was introduced in 2018 in Black Panther as another nation in hiding, which means that so far, the MCU has started to develop two off-the-grid nations within their universe. But, according to the comics, there are many more nations that have yet to be explored and that could be tweaked to fit the MCU perfectly.

Source: Screenrant