Watch Mortal Kombat Legends: Battle of the Realms (2021) HD Full Movie Free on SolarMovie. Watch Mortal Kombat Legends: Battle of the Realms (2021) online free. The Earthrealm heroes must journey to Outworld and fight for the survival of their homeland, invaded...The Earthrealm heroes must journey to Outworld and fight for the survival of their homeland, invaded by the forces of evil warlord Shao Kahn, in the tournament to end all tournaments: the final Mortal Kombat.