Thanos (MCU) Thanos with his sword can just reflect the beam as he did to iron man's
Also thanos is wearing his uru suit which is stronger than vibranium and even with thor's lightning and iron man's repulsors,they were not fully able to melt it
Eru Iluvatar & Featherine Augustus Aurora (Umineko Verse) "what should i said if we swapped man-thing into Tolkien verse he would one shot entire verse" That Logic is flawed in many different accounts...
Also thanos is wearing his uru suit which is stronger than vibranium and even with thor's lightning and iron man's repulsors,they were not fully able to melt it