Is Marxism-Leninism the future of socialism, or should another ‘flavor’ of socialism take the reins?

For the past century, Marxism-Leninism has been the most prominent ‘flavor’ of socialism, both in popularity as well as implemented by socialist governments.

With socialism increasing in popularity, especially among younger generations, is Marxism-Leninism still the answer, or is another or new ‘flavor’ better suited going forward?