It's hard to say exactly. Could be that Rex is an antagonist or an ally in the Invincible comic world. But without more context, it's difficult to be certain.
I'm not sure. Maybe Rex is a character in the Invincible comic or has some kind of relation to the story, but I don't have specific details.
I have no clear idea. It's possible Rex is a new element introduced in a recent storyline of the Invincible comic or has some hidden connection that hasn't been revealed yet.
Chapter 162, "Jiang - Boyfriend Power Explodes - Li", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. The chapter gives readers a real answer by opening on He Yun then realized what was happening and subconsciously wanted to...
Chapter 369, "Who Makes Him the Omnipotent Male Lead?", is the clearest early answer because it turns Lin Manru's situation into a concrete plot event. The chapter gives readers a real answer by opening on But..." Lin Manru's tone shifted again, "Our studio has become...
Chapter 118, "Director Sun, When Did You Get a Barrage Above Your Head?", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event.
Chapter 330, "Why is it her?!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. The chapter turns that into something concrete by moving from Of course," Ye Chu pulled a lipstick out of her purse and started...
Chapter 187, "I Really Need an Apology", is the clearest early answer because it turns Wen Jiaojiao's situation into a concrete plot event. It opens with During the competition, she passed by him numerous times, unfazed by... and closes on Perhaps it was a pig that tripped you;
Chapter 304, "Shh, Let's Not Disturb Big Sister", is the clearest early answer because it turns Big Sister's situation into a concrete plot event.
Chapter 153, "Word Spreads, Director Sun Takes the Lead in Shipping the CP!", is the clearest early answer because it turns Aunt Ying's situation into a concrete plot event. The chapter turns that into something concrete by moving from Wisps of smoke gradually rose from the small kitchen.
Chapter 117, "What Jiang Li Can Do, She Can Do Too!", is the clearest early answer because it turns Too's situation into a concrete plot event. The chapter turns that into something concrete by moving from Fragrant and cloyingly sweet potatoes and corn were out of the pot,...
Chapter 392, "Connected to Shang Shaobai", is the clearest early answer because it turns Jin Siyue's situation into a concrete plot event. The chapter gives readers a real answer by opening on Bai Lu's hopeful heart had sunk once again. and ending on Why not give it one more try?.
Chapter 335, "You would be incredibly fortunate if you could get connected with the merchant family!", is the clearest early answer because it turns Zhang's situation into a concrete plot event.