Marvel Two-In-One Annual#2(1977)

This story continues from Avengers Annual Vol 1 7 Plagued by dreams, sent as a telepathic call for aid from Moondragon, that showed him the battle between Thanos, Captain Marvel, and the Avengers over the fate of the galaxy, Spider-Man seeks out the Thing for help. The two heroes decide to check out those dreams by taking a shuttle craft out into space. There, they find Thanos' giant space ark and are pulled into it by a tractor beam. Once aboard, they are attacked by the hordes of Thanos but manage to hold their own until Thanos has the artificial gravity cut off, giving his thralls an advantage which quickly leads to the defeat and capture of the two heroes. Meanwhile, deep within the Soul Gem, Adam Warlock's soul meets with Gamora and Pip. Back in the real world, Spider-Man and the Thing regain consciousness and find that they have been brought to the room where the Avengers and Captain Marvel are being held in stasis. When the Thing attacks Thanos and is immediately knocked out again, Spider-Man briefly panics and flees but, as foreseen by Master Order, his strong heart wins out and he returns to free the Avengers, leading to an all out assault on Thanos. Overpowered, the heroes prove unable to defeat Thanos until Spider-Man, guided by his spider-sense, manages to free the Soul Gem, enabling the soul of Adam Warlock to appear from it and turn Thanos into stone. After rejoicing over their victory, the heroes have a funeral and bury Adam Warlock and his two friends on an asteroid in space. While Adam's soul finds peace within the Soul Gem, Thanos finds himself trapped within the petrified form of his own corruption.