Introduction
Blackheart is one of the Marvel characters in Marvel vs Capcom 2. The son of Mephisto and (badly) seen in Ghostrider.
He's top tier and has one great zoning assist and a tricky ground assist. His infinite can kill anybody not paying attention.
Note that the Xbox 360 and PS3 versions of MvC2 have a variety of glitches involving Blackheart, such as his super sometimes doing no chip damage.
Colors
First row: LP, HP, A1. Second row: LK, HK, A2.
Moves
Special Moves
- Inferno (HCB+P)
- Dark Thunder (HCF+P)
Super Moves
- Armageddon (QCF+PP)
- Heart of Darkness (QCF+KK, ends in normal jump state)
- Judgment Day (HCB+PP, can also be done in the air)
Assist Types
Dark Thunder 
Inferno 
Standing Strong Inferno is one of the best assists in the game. Dark Thunder is good for good control and for tricking people.
Strategy
Blackheart is skilled at occupying space through his demon normal moves; hitting fierce or roundhouse summons demons of varying effects. You can use those to keep the opponent busy while building meter and maintaining a lead.