The Marvel comics mini-series “Secret Invasion” concludes Thursday with a twist ending: The world has lost faith in Iron Man, who was unable to prevent an infiltration by shape-changing aliens, and turns to Norman Osborn, the Spider-Man villain known as the Green Goblin, who delivers the final blow to the extraterrestrial threat. The events put Osborn and a cabal of nefarious allies in charge of the Marvel universe. The “Secret Invasion” series has been a best-seller for Marvel; its first issue sold more than 270,000 copies. So what will its author, Brian Michael ... (more)