Marvel Champions Codex
RulingRules Reference 1.7
If I use Target Spotter on a minion revealed by another player, does that minion ever engage that other player?
Question
If I use Target Spotter on a minion revealed by another player, does that minion ever engage that other player?
Answer
No, Target Spotter interrupts the engagement of that minion and causes it to engage the player using Target Spotter instead. R ENCE
— Rules Reference 1.7