The fusion of Sinister Strange and Rocket Raccoon is Sinrocket,Sinrocket combines both Strange's magic and Rocket's tech to make a very dangerous and deadly combination of tech and magic,Sinrocket can use his magic spells to blast his enemies to bits with his very dangerous guns

Sinrocket also has the same powers as his 2 other personalities meaning he can blast through enemies with his guns combined with his magic,making him a very dangerous adversary and threat