After days of teases, Marvel and developer Epic Games have finally revealed their eagerly-anticipated Avengers: Endgame crossover event in Fortnite. The Endgame LTM (Limited-Time Mode), which is now live, brings back Avengers nemesis Thanos as a playable character, as was previously rumoured. Thanos was first introduced as a limited-time fighter last May to coincide with Endgame prequel Infinity War's...