If you're playing Injustice 2, you'll be able to have Batman fight the Teenage Mutant Ninja Turtles or Sub-Zero from Mortal Kombat battle against Hellboy.
Ọ bụrụ na ị na-egwu ikpe na-ezighị ezi 2, ị ga-enwe ike ịlụ Batman ọgụ Ninja Turtles ma ọ bụ Sub-Zero si Mortal Kombat agha megide Hellboy.