if you read the last adventure, Venom spread venom all over Iron man, Hulk, Spider-man, Thor and Captain america.

they turned into venomS... who will rescue them???... meanwhile wonder woman was calling spider-man. but he didn't answer of course. so she went looking for him...

and there she found them all turning into venoms.

then she called a scientist. she told him to make an opposite reaction of venom potion.

it took him 4 hours to finish it.

then wonder woman took the potion and went to give it to the avengers.