Iron Man 2 is definitely one of the most underrated sequels of the MCU. Robert Downey Jr returns once again as Tony Stark/Iron Man after revealing to the world that he is Iron Man, Tony must face new challenges such as the government thinking his suit is a dangerous weapon and wanting him to hand it over, finding a new replacement for the palladium core in his arc reactor that's keeping him alive while also poisoning him, and fighting a new enemy that ties into his family's legacy. Mickey Rourke stars as the villain Ivan Vanko/Whipflash and I highly think his villain definitely doesn't get the credit he deserves. The only problem I really have with his villain is the accent doesn't always hit its mark and he only has a couple of scenes of actual action that doesn't last long at all. Gwyneth Paltrow returns as Pepper Potts too as the new CEO of Stark Industries. Don Cheadle replaces Terrance Howard as Rhodey and now I can't imagine anybody, other than Don Cheadle portraying the character. The film also gives us a proper introduction to Samuel L Jackson's Nick Fury who is the the Director of Shield and Scarlett Johansson's Natasha Romanoff/Black Widow. Overall, Iron Man 2 isn't as great as it's predecessor, but it is a more than solid sequel that gives us plenty to be entertained by. Rating 7.5/10.