The MCU has a definite connection to the comics. However, it often reinterprets and reimagines storylines and characters to create a unique cinematic experience that still pays homage to the source material.
Well, it's hard to give an exact number. The number of Morbius comics has fluctuated based on various publishing runs and story arcs. But it's safe to say there have been a significant number.
Well, some might argue that the MCU's changes to character storylines and plot points deviate too much from the original comics, which can be seen as ruining the integrity of the source material.
The number of MCU comics is quite large and constantly changing. Over the years, countless issues and series have been released, making it difficult to put a precise figure on it. But you can expect it to be in the several thousands.
In many cases, Morbius isn't considered bad. His character is complex and has various motivations and actions that can't be simply labeled as bad. It's more nuanced than that.