When Hulk even tried to attack Hela , she temporarily transformed him back into Bruce Banner and then transformed him back into Hulk .
Loki ends up tricking Thor and Hulk into heading to Valhalla where Hela makes them fight each other .
When Hulk even tried to attack Hela , Hela temporarily transformed Thor back into Hulk   and then transformed Thor back into Hulk .
Loki ends up tricking Thor and Hulk into heading to Valhalla where Hela makes them fight each other .