With less than three weeks to go until the Avengers: Endgame premiere, we get to see the plan to go after Thanos in full ... or training to run his next marathon.

Endgame scene ultimately got caught from the film, but the actor still considers it canon which is great for his character.

The leak tells us how the surviving Avengers will fight Thanos ... you do chase the clip on YouTube, I’m sure you’ll watch it a bunch of time trying to discover other Endgame secrets.

Thanos' co-creator Jim Starlin ... may have learned the wrong lessons from Avengers: Endgame. On Tuesday, a Trump 2020 Twitter account posted a clip from Endgame that turned the president ...