Nope, Superman isn't a Marvel comic. He's a key figure in the DC Comics world. DC has its own unique style and set of characters, and Superman is a big part of that.
Not necessarily. It depends on various factors like market demand, creative inspiration, and publishing decisions. Sometimes, the focus might shift to other characters or storylines.
Comic Superman typically has a more established and powerful image. However, in the DCU, the strength levels can fluctuate based on the creative direction and narrative needs. Sometimes, DCU Superman might show equal or even greater strength in certain contexts.