Dr. Doom plays a zoning role in MSH:R. Having a variety of specials and projectiles he is equipped to deal with an opponent at nearly any position on screen as long as he chooses the correct action.

MOVELIST

Short flight - tap any direction twice while airborn and not attacking
stomp - f+FK

specials:
Plasma Beam - d,f+P (can also be performed in air)
Photon shot - d,b+P (can also be performed in air)
Molecular Shield - d,b+K
Shield Charge - d,f+K
teleport - b,d,b+k
Doom lazer - d,b+k (air only)

lvl.1 Hypers:
Mega Plasma Beam - d,f+2p
Photon Array - d,b+2p (can also be performed in air)
Electric cage - d,f+2k
Sphere Flame - d,b+2k

lvl.3 Hyper:
Doom Time - d,f+FP&FK (must be above 25% HP)

Desperation Hyper:
Dimensional Tear - d,b+FP&FK (must be below 25% HP)