The Crimson Witch (Warlock) in the movie version of X-Men was dressed differently from the manga version. To be specific, the witch costumes in the movie were more modern, using high-tech elements and brighter colors. In addition, the design of the witch costumes in the movie was inspired by different characters in Marvel Comics rather than a single costume design.
The image of the witch in the movie had also undergone some adjustments and changes. Compared to the comic version, it was more independent and complex. Therefore, the Scarlet Witch in the movie did not wear the clothes in the manga to better express her personality and image changes.
Sure, Megumi discovers the truth about Toji being his dad in the manga. It's a crucial plot point that brings about various changes in Megumi's storyline and his relationships with others.