Doom's Day Series by Eric Fein, Pierce Askegren, Danny Fingeroth

Kidnapped by a renegade secret agent, Bruce Banner is horrified when his captor uses him to create an army of Hulk clones, and Spider-Man must keep a friend from being transformed.

When Stark Enterprises unleashes a ground-breaking energy technology, saboteurs from A.I.M. and Hydra, as well as Dr. Doom, set their sights on capturing the technology for their own evil purposes.

Dr. Doom has broken Dr. Octopus out of prison as the final mover in the latest plan for world conquest. Using Ock's expertise to help him draw on the arcane energies of the Negative Zone, Doom has found a way to wield absolute power. Now the only thing standing between Doom and his goals are Spider-Man and the Fantastic Four--and one of the F.F. is already Doom's prisoner!The web-slinger and the world's premier super-team join forces to stop Doom's mad plan in an incredible new adventure!