2-Pack contains the Mad Titan in his Avengers: Endgame armor while Hulk is featured in his Quantum Realm suit.
The Mad Titan was easily able to dispose of Hulk at the beginning of Infinity War, which resulted in Bruce Banner heading to Earth to give warning of the impending danger.
Are Thanos and Hulk going to get a rematch in Avengers: Endgame?
After Hulk’s meeting with Thanos, Bruce Banner was not able to summon him again to help out during Infinity War.