Team Hellboy (Hellboy)vsTeam Ghost Rider

Team Ghost Rider Shuma-Gorath STOMPS Dormammu

Team Ghost Rider Neron would solo.

Team Hellboy (Hellboy) Ok I'm not choosing team Dormammu because I like him more I just know more feats from his team so here's how I think it would go

Round one
Dormammu vs Shuma-Gorath winner Dormammu
Surtur vs Ghost Rider winner Surtur
Mephisto vs Eclipso winner Eclipso
Etrigan vs Chthon winner Chthon
Trigon vs Neron winner Trigon
Hellboy vs Blackheart winner Blackheart

Round two
Dormammu and Surtur vs Eclipso winner Dormmamu and Surtur
Trigon vs Chthon and Blackheart winner Chthon no Blackheart
Round three
Dormammu and Surtur vs Chthon winner Dormmamu no Surtur
Winners team Dormmamu