Yes, some older DC comics did show the deaths of children, but it was a rare occurrence and often handled with caution due to the sensitive nature of the topic.
No, 9/11 didn't feature directly in DC Comics.
No, DC has never owned Marvel Comics. They are two separate and distinct comic book publishers.
Yes, Deadpool has made appearances in DC Comics. However, these crossovers are not common and are often special one-off projects. They tend to bring a fresh and unexpected dynamic to the comic book landscape.
DC Comics has no claim over Hulk. Hulk has always been firmly within the Marvel Comics universe, with no crossover or ownership by DC.
DC Comics has the edge in terms of age. DC started in the 1930s, laying the groundwork for superhero comics. Marvel followed a few years after, but DC's been around longer. Their early characters like Superman and Batman have been iconic for decades.
No, Stan Lee was primarily associated with Marvel Comics and did not work for DC Comics.
Yes, DC Comics is older than Marvel. DC Comics was founded in 1934, while Marvel Comics was founded in 1939.
No, X-Men has always been associated with Marvel Comics, not DC Comics.
Not that I know of. I haven't come across any mention of a bat dragon in DC Comics.
Definitely not. Spider-Man is a Marvel icon and has no connection to DC Comics. The character's storylines and adventures are confined to the Marvel universe.