Loki 002 TMT

MY, MY...YOU JUST KEEP FALLING FOR THIS, DON'T YOU: Shape Change. When Loki uses it and succeeds, after resolutions you may generate within range and line of fire a TMT #002 Loki on the click #1 that appears after the (orange) KO. They have a 0 point value for all effects (including scoring).

Batman EW 026

WORLD WITHOUT A SUPERMAN: Modify this characters attack value by +2 when attacking only characters of 50 points or less. Modify this characters attack value by -1 when attacking only characters of 150 points or more

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So if A character with a trait similar to "World Without SUperman" is in play, would i have to reveal which are the loki illusions? Would i have to reveal it at all times or just when the character attacks?