Adventures Of Superman #457 1989

Adventures Of Superman #457, titled "Echoes," explores the escalating mental link between Superman and Matrix, which inadvertently causes Superman to terrorize Smallville. Simultaneously, Intergang attacks a Daily Planet staff party, forcing Superman to intervene. The bond between Superman and Matrix intensifies, leading to them physically mimicking each other's actions, creating a dangerous situation where Superman nearly kills an Intergang member. This issue is notable for its focus on the problematic and deepening connection between the two heroes.