Continuity mistake: When Thanos hits Wanda he is grabbing Vision by the neck, but in the next shot he grabs him again.
Continuity mistake: While Tony and Peter talk in Thanos' ship, Peter's hair changes between shots.
Continuity mistake: When casting Thor's axe, the forge is barely tilted when the molten metal begins to pour, indicating it was almost full of material. But, in the previous shots, it is not, even after the bars melt.
Continuity mistake: In the close up shots of Thor when Thanos has his hand on him there is blood coming out of his mouth. In the long shots though there is no blood. (00:02:54 - 00:04:04)
Continuity mistake: Thanos reaches down and picks up Thor by the collar of his uniform. Thor is facing head first with his back parallel to the floor. Thanos lifts him and walks towards Loki. In the next shot of Thor he is now sitting upright and Thanos has his hand on top of his head. (00:02:22 - 00:02:54)
Continuity mistake: While Iron Man talks with Thanos on Titan, Tony's facial hair changes color and amount.
Continuity mistake: Thanos stabs Heimdall in the chest but the spear is taken out from his stomach.
Answer: From what I've read, they are chanting "yibambe," which is Xhosa for "we hold our ground."
Phaneron ★