Lioness in Exile (2012)

Soon after we meet Manyari, the queen of her pride, she does something both unusual and bold: She leaves the sanctuary of the clan with her young cubs and takes them on a dangerous odyssey. She makes a bid to escape because two young bloods are sniffing around, and if they take over the pride, they will kill her cubs

Unfortunately the movie Lioness in Exile is not yet available on HBO Max.